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31079873712 = 2432767234007
BaseRepresentation
bin11100111100100000…
…010011110010110000
32222020000021011121210
4130330200103302300
51002122421424322
622140005320120
72150121365466
oct347440236260
988200234553
1031079873712
11121a9862148
126034706040
132c1401a024
14170ba28836
15c1d83670c
hex73c813cb0

31079873712 has 40 divisors (see below), whose sum is σ = 80319033856. Its totient is φ = 10356169536.

The previous prime is 31079873689. The next prime is 31079873731. The reversal of 31079873712 is 21737897013.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 15813 + ... + 249819.

Almost surely, 231079873712 is an apocalyptic number.

It is an amenable number.

31079873712 is an abundant number, since it is smaller than the sum of its proper divisors (49239160144).

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

31079873712 is a wasteful number, since it uses less digits than its factorization.

31079873712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236785 (or 236779 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 31079873712 in words is "thirty-one billion, seventy-nine million, eight hundred seventy-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 2767 5534 8301 11068 16602 22136 33204 44272 66408 132816 234007 468014 702021 936028 1404042 1872056 2808084 3744112 5616168 11232336 647497369 1294994738 1942492107 2589989476 3884984214 5179978952 7769968428 10359957904 15539936856 31079873712