The winning ticket had the numbers 2, 11, 19, 21, and 34, as well Mega number 38. It was sold at the 7-Eleven outlet at Cass and Beryl streets. The person holding the winning ticket has not come forward as of Sunday night according to a published report.
Many customers said they were disappointed they didn't win the jackpot.
"I kind of had some butterflies in my stomach when I was walking over here with my ticket. Because there was actually a possibility it could be me. But then I stuck it in the machine and it says sorry not a winner," said Marvin Mendez, a regular customer of the Pacific Beach 7-Eleven.
The owner of the 7-Eleven could stand to win a bonus of more than $230,000 according to the San Diego Union-Tribune.
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The odds of matching all five numbers and the Mega number is 1 in 175,711,536, according to the Mega Millions Web site.
California Lottery officials said the winner should sign the ticket, put it in a safe place, and contact a Lottery office.
The drawing was the sixth since the last time a ticket with all six numbers was sold. A ticket sold in Ohio for the Dec. 12 draw had all six numbers and was worth $207 million.
Besides California, the Mega Millions game is played in Georgia, Illinois, Maryland, Massachusetts, Michigan, New Jersey, New York, Ohio, Texas, Virginia and Washington.
The jackpot for Tuesday's draw will be $12 million.