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23215227275 = 523725097543
BaseRepresentation
bin10101100111101111…
…000100000110001011
32012220220112201220102
4111213233010012023
5340021044233100
614355342520015
71451203114232
oct254757040613
965826481812
1023215227275
119933432949
1245ba89600b
13225c848396
1411a3315b19
1590d175cd5
hex567bc418b

23215227275 has 12 divisors (see below), whose sum is σ = 29564906832. Its totient is φ = 18070230240.

The previous prime is 23215227247. The next prime is 23215227281. The reversal of 23215227275 is 57272251232.

It is not a de Polignac number, because 23215227275 - 230 = 22141485451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12547847 + ... + 12549696.

It is an arithmetic number, because the mean of its divisors is an integer number (2463742236).

Almost surely, 223215227275 is an apocalyptic number.

23215227275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23215227275 is a deficient number, since it is larger than the sum of its proper divisors (6349679557).

23215227275 is a wasteful number, since it uses less digits than its factorization.

23215227275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25097590 (or 25097585 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The spelling of 23215227275 in words is "twenty-three billion, two hundred fifteen million, two hundred twenty-seven thousand, two hundred seventy-five".

Divisors: 1 5 25 37 185 925 25097543 125487715 627438575 928609091 4643045455 23215227275