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31421476704 = 2531791828531
BaseRepresentation
bin11101010000110111…
…011010111101100000
310000002211001101211110
4131100313122331200
51003322344223304
622233531143320
72161440100542
oct352067327540
9100084041743
1031421476704
1112364671572
12610aba4b40
132c69a23187
14174114b692
15c3d812289
hex750ddaf60

31421476704 has 48 divisors (see below), whose sum is σ = 82942211520. Its totient is φ = 10415306880.

The previous prime is 31421476643. The next prime is 31421476711. The reversal of 31421476704 is 40767412413.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897082 + ... + 931449.

It is an arithmetic number, because the mean of its divisors is an integer number (1727962740).

Almost surely, 231421476704 is an apocalyptic number.

It is an amenable number.

31421476704 is an abundant number, since it is smaller than the sum of its proper divisors (51520734816).

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

31421476704 is a wasteful number, since it uses less digits than its factorization.

31421476704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828723 (or 1828715 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 31421476704 in words is "thirty-one billion, four hundred twenty-one million, four hundred seventy-six thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 179 358 537 716 1074 1432 2148 2864 4296 5728 8592 17184 1828531 3657062 5485593 7314124 10971186 14628248 21942372 29256496 43884744 58512992 87769488 175538976 327307049 654614098 981921147 1309228196 1963842294 2618456392 3927684588 5236912784 7855369176 10473825568 15710738352 31421476704