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23311260872 = 2311325786793
BaseRepresentation
bin10101101101011101…
…011001110011001000
32020011121020202020022
4111231131121303020
5340220140321442
614413053120012
71453450306454
oct255535316310
966147222208
1023311260872
119982665359
124626a89008
1322767006b3
1411b1d93664
159167e53d2
hex56d759cc8

23311260872 has 16 divisors (see below), whose sum is σ = 44095417740. Its totient is φ = 11552482816.

The previous prime is 23311260853. The next prime is 23311260877. The reversal of 23311260872 is 27806211332.

It can be written as a sum of positive squares in 2 ways, for example, as 18302301796 + 5008959076 = 135286^2 + 70774^2 .

It is not an unprimeable number, because it can be changed into a prime (23311260877) 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 3 ways as a sum of consecutive naturals, for example, 12892493 + ... + 12894300.

Almost surely, 223311260872 is an apocalyptic number.

It is an amenable number.

23311260872 is a deficient number, since it is larger than the sum of its proper divisors (20784156868).

23311260872 is a wasteful number, since it uses less digits than its factorization.

23311260872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25786912 (or 25786908 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 23311260872 in words is "twenty-three billion, three hundred eleven million, two hundred sixty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 113 226 452 904 25786793 51573586 103147172 206294344 2913907609 5827815218 11655630436 23311260872