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23172574430 = 2510122943143
BaseRepresentation
bin10101100101001100…
…010110110011011110
32012210221021202012102
4111211030112303132
5334424134340210
614351220405102
71450144430015
oct254514266336
965727252172
1023172574430
119911350165
1245a8546792
132253a63205
14119b7b1a7c
1590954cea5
hex565316cde

23172574430 has 16 divisors (see below), whose sum is σ = 42123612384. Its totient is φ = 9177256800.

The previous prime is 23172574429. The next prime is 23172574487. The reversal of 23172574430 is 3447527132.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11470562 + ... + 11472581.

It is an arithmetic number, because the mean of its divisors is an integer number (2632725774).

Almost surely, 223172574430 is an apocalyptic number.

23172574430 is a deficient number, since it is larger than the sum of its proper divisors (18951037954).

23172574430 is a wasteful number, since it uses less digits than its factorization.

23172574430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943251.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 23172574430 in words is "twenty-three billion, one hundred seventy-two million, five hundred seventy-four thousand, four hundred thirty".

Divisors: 1 2 5 10 101 202 505 1010 22943143 45886286 114715715 229431430 2317257443 4634514886 11586287215 23172574430