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71823014656 = 28475969333
BaseRepresentation
bin100001011100011111…
…1000011101100000000
320212101110200011211221
41002320333003230000
52134043142432111
652554532244424
75121561360121
oct1027077035400
9225343604757
1071823014656
1128507245a58
1211b05470714
136a08035053
143694ba0048
151d056b3371
hex10b8fc3b00

71823014656 has 36 divisors (see below), whose sum is σ = 146415824352. Its totient is φ = 35147426816.

The previous prime is 71823014617. The next prime is 71823014729. The reversal of 71823014656 is 65641032817.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972635 + ... + 2996698.

It is an arithmetic number, because the mean of its divisors is an integer number (4067106232).

Almost surely, 271823014656 is an apocalyptic number.

It is an amenable number.

71823014656 is an abundant number, since it is smaller than the sum of its proper divisors (74592809696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71823014656 is an equidigital number, since it uses as much as digits as its factorization.

71823014656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969396 (or 5969382 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 71823014656 in words is "seventy-one billion, eight hundred twenty-three million, fourteen thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 256 376 752 1504 3008 6016 12032 5969333 11938666 23877332 47754664 95509328 191018656 280558651 382037312 561117302 764074624 1122234604 1528149248 2244469208 4488938416 8977876832 17955753664 35911507328 71823014656