Perfect Square
256385143169294718169262976402409196564015706979600 is a perfect square (16012031200609581567917860 × 16012031200609581567917860)
256385143169294718169262976402409196564015706979600 is a perfect square (16012031200609581567917860 × 16012031200609581567917860)
10101111 01101101 00000011 01101111 11001111 10101100 01011111 11011110 11110101 00001010 10000100 11100100 11111010 01010100 01000111 11001100 10000111 11010001 11011010 10111101 00010000
256385143169294718169262976402409196564015706979600 is even
Previous even number is 256385143169294718169262976402409196564015706979598
Next even number is 256385143169294718169262976402409196564015706979602
16853052206839344597231340192915558974639820150473759211872581293394655380655565811774103480691996078453148501418927137003903474670642571066870336000000
65733341637939750082603074419084794555583545462847436809285735133118765251378566522898008154816160000