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23518795068 = 2233415311381
BaseRepresentation
bin10101111001110101…
…000101010100111100
32020201001202120122000
4111321311011110330
5341131302420233
614445425222300
71461550313436
oct257165052474
966631676560
1023518795068
119a7982391a
124684491990
1322aa6c50b2
1411d1777656
15929b3bd13
hex579d4553c

23518795068 has 48 divisors (see below), whose sum is σ = 62461852320. Its totient is φ = 7648387200.

The previous prime is 23518795067. The next prime is 23518795073. The reversal of 23518795068 is 86059781532.

23518795068 is a `hidden beast` number, since 2 + 3 + 51 + 87 + 9 + 506 + 8 = 666.

It is a super-2 number, since 2×235187950682 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23518795063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2651263 + ... + 2660118.

It is an arithmetic number, because the mean of its divisors is an integer number (1301288590).

Almost surely, 223518795068 is an apocalyptic number.

It is an amenable number.

23518795068 is an abundant number, since it is smaller than the sum of its proper divisors (38943057252).

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

23518795068 is a wasteful number, since it uses less digits than its factorization.

23518795068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311435 (or 5311427 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 23518795068 in words is "twenty-three billion, five hundred eighteen million, seven hundred ninety-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 41 54 82 108 123 164 246 369 492 738 1107 1476 2214 4428 5311381 10622762 15934143 21245524 31868286 47802429 63736572 95604858 143407287 191209716 217766621 286814574 435533242 573629148 653299863 871066484 1306599726 1959899589 2613199452 3919799178 5879698767 7839598356 11759397534 23518795068