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230169907912 = 23723917197393
BaseRepresentation
bin1101011001011100110…
…0100001001011001000
3211000002221021210201011
43112113030201023020
512232341444023122
6253423311533304
722425552636130
oct3262714411310
9730087253634
10230169907912
1189683a0459a
123873752a234
13189219636a9
14b1d6d17ac0
155ec1e61377
hex35973212c8

230169907912 has 32 divisors (see below), whose sum is σ = 495284947200. Its totient is φ = 98231503104.

The previous prime is 230169907907. The next prime is 230169907927. The reversal of 230169907912 is 219709961032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8585313 + ... + 8612080.

It is an arithmetic number, because the mean of its divisors is an integer number (15477654600).

Almost surely, 2230169907912 is an apocalyptic number.

It is an amenable number.

230169907912 is an abundant number, since it is smaller than the sum of its proper divisors (265115039288).

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

230169907912 is a wasteful number, since it uses less digits than its factorization.

230169907912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17197645 (or 17197641 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 230169907912 in words is "two hundred thirty billion, one hundred sixty-nine million, nine hundred seven thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 239 478 956 1673 1912 3346 6692 13384 17197393 34394786 68789572 120381751 137579144 240763502 481527004 963054008 4110176927 8220353854 16440707708 28771238489 32881415416 57542476978 115084953956 230169907912