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13031912834082 = 232723995157449
BaseRepresentation
bin1011110110100011101010…
…0010010000010000100010
31201010211122102010110201100
42331220322202100100202
53202003324141142312
643414440023215230
72513344643252112
oct275507242202042
951124572113640
1013031912834082
11417489206533a
1215658092a7516
13736b9a4288ac
14330a68519042
15178ecb1a65dc
hexbda3a890422

13031912834082 has 12 divisors (see below), whose sum is σ = 28235811140550. Its totient is φ = 4343970944688.

The previous prime is 13031912834077. The next prime is 13031912834107. The reversal of 13031912834082 is 28043821913031.

It is a happy number.

13031912834082 is a `hidden beast` number, since 1 + 30 + 3 + 191 + 28 + 3 + 408 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10554188135841 + 2477724698241 = 3248721^2 + 1574079^2 .

It is a super-2 number, since 2×130319128340822 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361997578707 + ... + 361997578742.

Almost surely, 213031912834082 is an apocalyptic number.

13031912834082 is an abundant number, since it is smaller than the sum of its proper divisors (15203898306468).

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

13031912834082 is a wasteful number, since it uses less digits than its factorization.

13031912834082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723995157457 (or 723995157454 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13031912834082 in words is "thirteen trillion, thirty-one billion, nine hundred twelve million, eight hundred thirty-four thousand, eighty-two".

Divisors: 1 2 3 6 9 18 723995157449 1447990314898 2171985472347 4343970944694 6515956417041 13031912834082