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23132531355 = 3529307173219
BaseRepresentation
bin10101100010110011…
…100110101010011011
32012201010221100102120
4111202303212222123
5334333412000410
614343230232323
71446150162243
oct254263465233
965633840376
1023132531355
1198a079020a
1245970556a3
132248682b9b
14119634ab23
15905c8d570
hex562ce6a9b

23132531355 has 32 divisors (see below), whose sum is σ = 38413267200. Its totient is φ = 11873054592.

The previous prime is 23132531347. The next prime is 23132531399. The reversal of 23132531355 is 55313523132.

It is not a de Polignac number, because 23132531355 - 23 = 23132531347 is a prime.

It is a super-2 number, since 2×231325313552 (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 46936 + ... + 220154.

It is an arithmetic number, because the mean of its divisors is an integer number (1200414600).

Almost surely, 223132531355 is an apocalyptic number.

23132531355 is a deficient number, since it is larger than the sum of its proper divisors (15280735845).

23132531355 is a wasteful number, since it uses less digits than its factorization.

23132531355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173563.

The product of its digits is 40500, while the sum is 33.

The spelling of 23132531355 in words is "twenty-three billion, one hundred thirty-two million, five hundred thirty-one thousand, three hundred fifty-five".

Divisors: 1 3 5 15 29 87 145 307 435 921 1535 4605 8903 26709 44515 133545 173219 519657 866095 2598285 5023351 15070053 25116755 53178233 75350265 159534699 265891165 797673495 1542168757 4626506271 7710843785 23132531355