Power of Two
273 = 9444732965739290427392
273 = 9444732965739290427392
9444732965739290427392 is even
Previous even number is 9444732965739290427390
Next even number is 9444732965739290427394
842498333348457493583344221469363458551160763204392890034487820288
10000000000000000000000000000000000000000000000000000000000000000000000000