Quick! Think of a number between 1 and 175,223,510.

Powerball fever has returned, with news that the jackpot has topped $310 million. So what are your odds of winning? Smaller than the likelihood of flipping a coin and getting heads 27 times in a row.

It’s not about the infinitesimal odds, of course, but for the statistics-minded, the folks at Powerball are kind enough to break down the numbers.