Google says "There are between 10^78 to 10^82 atoms in the observable universe." Even the lower number is (just slightly) greater than 2^256. (Imagine installi

Google says "There are between 10^78 to 10^82 atoms in the observable universe." Even the lower number is (just slightly) greater than 2^256. (Imagine installing 2^256 sound cards in a system ...)