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11904018764 = 2211270545881
BaseRepresentation
bin10110001011000100…
…01110100101001100
31010201121111210211212
423011202032211030
5143334412100024
65245120233552
7600664330031
oct130542164514
933647453755
1011904018764
115059565540
12238276b8b8
1311792ca2b1
1480cd95388
1549a111a0e
hex2c588e94c

11904018764 has 12 divisors (see below), whose sum is σ = 22725854088. Its totient is φ = 5410917600.

The previous prime is 11904018743. The next prime is 11904018767. The reversal of 11904018764 is 46781040911.

It is not an unprimeable number, because it can be changed into a prime (11904018767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135272897 + ... + 135272984.

It is an arithmetic number, because the mean of its divisors is an integer number (1893821174).

Almost surely, 211904018764 is an apocalyptic number.

It is an amenable number.

11904018764 is a deficient number, since it is larger than the sum of its proper divisors (10821835324).

11904018764 is a wasteful number, since it uses less digits than its factorization.

11904018764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270545896 (or 270545894 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 11904018764 in words is "eleven billion, nine hundred four million, eighteen thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 44 270545881 541091762 1082183524 2976004691 5952009382 11904018764