Perfect Square
819015971714527515416099298271495453359619140625 is a perfect square (904995011983230499515625 × 904995011983230499515625)
819015971714527515416099298271495453359619140625 is a perfect square (904995011983230499515625 × 904995011983230499515625)
10001111 01110101 11110010 01000011 11110101 10001001 11001010 10000000 01110011 10010001 00001000 01100010 01111011 01100111 10000101 10001010 11111010 11111011 01101100 00010001
819015971714527515416099298271495453359619140625 is odd
Previous odd number is 819015971714527515416099298271495453359619140623
Next odd number is 819015971714527515416099298271495453359619140627
549385399236398695397526565238602260195522969868957515814325489697073571012735433669027265424994260459870373029293720624991692602634429931640625
670787161923491735200017641899198961058316874566064914724401906867796694612236082553863525390625