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23707630705 = 5112659162109
BaseRepresentation
bin10110000101000101…
…011011110001110001
32021012020002102102111
4112011011123301301
5342023123140310
614520252445321
71466332351603
oct260505336161
967166072374
1023707630705
11a066380930
124717779841
13230a870865
14120c891173
1593b4dd28a
hex58515bc71

23707630705 has 16 divisors (see below), whose sum is σ = 31047307200. Its totient is φ = 17235322560.

The previous prime is 23707630699. The next prime is 23707630733. The reversal of 23707630705 is 50703670732.

It is a happy number.

It is not a de Polignac number, because 23707630705 - 27 = 23707630577 is a prime.

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, 65191 + ... + 227299.

It is an arithmetic number, because the mean of its divisors is an integer number (1940456700).

Almost surely, 223707630705 is an apocalyptic number.

It is an amenable number.

23707630705 is a deficient number, since it is larger than the sum of its proper divisors (7339676495).

23707630705 is a wasteful number, since it uses less digits than its factorization.

23707630705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164784.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 23707630705 in words is "twenty-three billion, seven hundred seven million, six hundred thirty thousand, seven hundred five".

Divisors: 1 5 11 55 2659 13295 29249 146245 162109 810545 1783199 8915995 431047831 2155239155 4741526141 23707630705