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230747372613 = 32165715472901
BaseRepresentation
bin1101011011100110011…
…1010111110001000101
3211001121011220001100200
43112321213113301011
512240032311410423
6254000501001113
722446064206522
oct3267147276105
9731534801320
10230747372613
118994a97034a
12388789b3199
13189b449bb94
14b24d8b6149
1560079cbd43
hex35b99d7c45

230747372613 has 12 divisors (see below), whose sum is σ = 333502929708. Its totient is φ = 153738734400.

The previous prime is 230747372599. The next prime is 230747372617. The reversal of 230747372613 is 316273747032.

230747372613 is a `hidden beast` number, since 23 + 0 + 7 + 4 + 7 + 3 + 7 + 2 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109989732609 + 120757640004 = 331647^2 + 347502^2 .

It is not a de Polignac number, because 230747372613 - 218 = 230747110469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230747372617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7721538 + ... + 7751363.

It is an arithmetic number, because the mean of its divisors is an integer number (27791910809).

Almost surely, 2230747372613 is an apocalyptic number.

It is an amenable number.

230747372613 is a deficient number, since it is larger than the sum of its proper divisors (102755557095).

230747372613 is a wasteful number, since it uses less digits than its factorization.

230747372613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15474564 (or 15474561 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 45.

The spelling of 230747372613 in words is "two hundred thirty billion, seven hundred forty-seven million, three hundred seventy-two thousand, six hundred thirteen".

Divisors: 1 3 9 1657 4971 14913 15472901 46418703 139256109 25638596957 76915790871 230747372613