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23752799183893 = 1321069931313629
BaseRepresentation
bin1010110011010011000010…
…01010000110010000010101
310010002202010102012121220011
411121221201022012100111
511103131213042341033
6122303515120440221
75001040335534163
oct531514112062025
9103082112177804
1023752799183893
1176285619a577a
1227b7550479071
131033b57c23200
145c18da83a233
152b2ce8b4eccd
hex159a61286415

23752799183893 has 12 divisors (see below), whose sum is σ = 25720746664260. Its totient is φ = 21925439168256.

The previous prime is 23752799183891. The next prime is 23752799183917. The reversal of 23752799183893 is 39838199725732.

It can be written as a sum of positive squares in 6 ways, for example, as 200093393124 + 23552705790769 = 447318^2 + 4853113^2 .

It is not a de Polignac number, because 23752799183893 - 21 = 23752799183891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23752799183891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17425003 + ... + 18738631.

It is an arithmetic number, because the mean of its divisors is an integer number (2143395555355).

Almost surely, 223752799183893 is an apocalyptic number.

It is an amenable number.

23752799183893 is a deficient number, since it is larger than the sum of its proper divisors (1967947480367).

23752799183893 is a wasteful number, since it uses less digits than its factorization.

23752799183893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420648 (or 1420635 counting only the distinct ones).

The product of its digits is 1234517760, while the sum is 76.

The spelling of 23752799183893 in words is "twenty-three trillion, seven hundred fifty-two billion, seven hundred ninety-nine million, one hundred eighty-three thousand, eight hundred ninety-three".

Divisors: 1 13 169 106993 1313629 1390909 17077177 18081817 222003301 140549107597 1827138398761 23752799183893