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31423000568 = 2323414165297
BaseRepresentation
bin11101010000111101…
…001110111111111000
310000002220220211011212
4131100331032333320
51003323242004233
622234023542252
72161456045361
oct352075167770
9100086824155
1031423000568
1112365512463
12610b5ba988
132c6a13797b
141741426b68
15c3da13a48
hex750f4eff8

31423000568 has 32 divisors (see below), whose sum is σ = 62979305760. Its totient is φ = 14661841920.

The previous prime is 31423000541. The next prime is 31423000589. The reversal of 31423000568 is 86500032413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075105 + ... + 2090192.

It is an arithmetic number, because the mean of its divisors is an integer number (1968103305).

Almost surely, 231423000568 is an apocalyptic number.

It is an amenable number.

31423000568 is an abundant number, since it is smaller than the sum of its proper divisors (31556305192).

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

31423000568 is a wasteful number, since it uses less digits than its factorization.

31423000568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165367 (or 4165363 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 31423000568 in words is "thirty-one billion, four hundred twenty-three million, five hundred sixty-eight", and thus it is an aban number.

Divisors: 1 2 4 8 23 41 46 82 92 164 184 328 943 1886 3772 7544 4165297 8330594 16661188 33322376 95801831 170777177 191603662 341554354 383207324 683108708 766414648 1366217416 3927875071 7855750142 15711500284 31423000568