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23164120428 = 2235378746279
BaseRepresentation
bin10101100100101100…
…000110110101101100
32012210100101020111020
4111210230012311230
5334420003323203
614350315254140
71450012526541
oct254454066554
965710336436
1023164120428
1199075a6589
1245a574a350
132252093247
14119a610bc8
1590892d153
hex564b06d6c

23164120428 has 48 divisors (see below), whose sum is σ = 55140583680. Its totient is φ = 7565897664.

The previous prime is 23164120411. The next prime is 23164120453. The reversal of 23164120428 is 82402146132.

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 15 ways as a sum of consecutive naturals, for example, 477393 + ... + 523671.

It is an arithmetic number, because the mean of its divisors is an integer number (1148762160).

Almost surely, 223164120428 is an apocalyptic number.

It is an amenable number.

23164120428 is an abundant number, since it is smaller than the sum of its proper divisors (31976463252).

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

23164120428 is a wasteful number, since it uses less digits than its factorization.

23164120428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47126 (or 47124 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 23164120428 in words is "twenty-three billion, one hundred sixty-four million, one hundred twenty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 787 1574 2361 3148 4722 9444 41711 46279 83422 92558 125133 138837 166844 185116 250266 277674 500532 555348 2452787 4905574 7358361 9811148 14716722 29433444 36421573 72843146 109264719 145686292 218529438 437058876 1930343369 3860686738 5791030107 7721373476 11582060214 23164120428