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11904275531 = 234312794777
BaseRepresentation
bin10110001011000110…
…01101010001001011
31010201121222212001202
423011203031101023
5143334443304111
65245125534415
7600666446441
oct130543152113
933647885052
1011904275531
115059720445
12238287440b
13117938a125
1480d020b91
1549a162b3b
hex2c58cd44b

11904275531 has 16 divisors (see below), whose sum is σ = 12810952704. Its totient is φ = 11034201024.

The previous prime is 11904275521. The next prime is 11904275557. The reversal of 11904275531 is 13557240911.

It is a cyclic number.

It is not a de Polignac number, because 11904275531 - 210 = 11904274507 is a prime.

It is a super-2 number, since 2×119042755312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11904275501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78215 + ... + 172991.

It is an arithmetic number, because the mean of its divisors is an integer number (800684544).

Almost surely, 211904275531 is an apocalyptic number.

11904275531 is a deficient number, since it is larger than the sum of its proper divisors (906677173).

11904275531 is a wasteful number, since it uses less digits than its factorization.

11904275531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94970.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 11904275531 in words is "eleven billion, nine hundred four million, two hundred seventy-five thousand, five hundred thirty-one".

Divisors: 1 23 43 127 989 2921 5461 94777 125603 2179871 4075411 12036679 93734453 276843617 517577197 11904275531