Power of Two
2104 = 20282409603651670423947251286016
2104 = 20282409603651670423947251286016
20282409603651670423947251286016 is a perfect square (4503599627370496 × 4503599627370496)
20282409603651670423947251286016 is even
Previous even number is 20282409603651670423947251286014
Next even number is 20282409603651670423947251286018
8343699359066055009355553539724812947666814540455674882605631280555545803830627148527195652096
411376139330301510538742295639337626245683966408394965837152256
100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000