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23401705516 = 2274717782451
BaseRepresentation
bin10101110010110110…
…011011000000101100
32020101220102210221221
4111302312123000230
5340411314034031
614430043433124
71455626133460
oct256266330054
966356383857
1023401705516
119a1971a7a2
1246512257a4
13228c379b37
1411bddb84a0
1591e70da11
hex572d9b02c

23401705516 has 24 divisors (see below), whose sum is σ = 47799230976. Its totient is φ = 9815912400.

The previous prime is 23401705501. The next prime is 23401705517. The reversal of 23401705516 is 61550710432.

It is not an unprimeable number, because it can be changed into a prime (23401705517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8889910 + ... + 8892541.

It is an arithmetic number, because the mean of its divisors is an integer number (1991634624).

Almost surely, 223401705516 is an apocalyptic number.

It is an amenable number.

23401705516 is an abundant number, since it is smaller than the sum of its proper divisors (24397525460).

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

23401705516 is a wasteful number, since it uses less digits than its factorization.

23401705516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17782509 (or 17782507 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 23401705516 in words is "twenty-three billion, four hundred one million, seven hundred five thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 17782451 35564902 71129804 124477157 248954314 497908628 835775197 1671550394 3343100788 5850426379 11700852758 23401705516