How big is a MO ?

With the advent of 64-bit machines, the largest positive integer that can be represented is


or: nine quintillion two hundred twenty-three quadrillion three hundred seventy-two trillion six billion eight hundred fifty-four million seven hundred seventy-five thousand eight hundred seven.

The handy name for this staggering integer is one "MO". To help internalize how big a MO really is, here are a few interesting relationships:

If everyone on the planet each lived 70 years and ate one M&M every second for their entire life, we'd consume 1 MO of M&M's.