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10872253791 = 327172575457
BaseRepresentation
bin10100010000000100…
…10110110101011111
31001001201001201101100
422020002112311133
5134231244110131
64554502044143
7533265426630
oct121002266537
931051051340
1010872253791
11467a116213
122135119653
13104361a989
14751d39887
154397587e6
hex288096d5f

10872253791 has 12 divisors (see below), whose sum is σ = 17947847632. Its totient is φ = 6212716416.

The previous prime is 10872253781. The next prime is 10872253811. The reversal of 10872253791 is 19735227801.

10872253791 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 22 + 537 + 91 = 666.

It is not a de Polignac number, because 10872253791 - 26 = 10872253727 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 (10872253741) 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, 86287666 + ... + 86287791.

Almost surely, 210872253791 is an apocalyptic number.

10872253791 is a deficient number, since it is larger than the sum of its proper divisors (7075593841).

10872253791 is a wasteful number, since it uses less digits than its factorization.

10872253791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172575470 (or 172575467 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 10872253791 in words is "ten billion, eight hundred seventy-two million, two hundred fifty-three thousand, seven hundred ninety-one".

Divisors: 1 3 7 9 21 63 172575457 517726371 1208028199 1553179113 3624084597 10872253791