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11287394376 = 2333115171229
BaseRepresentation
bin10101000001100011…
…11111100001001000
31002010122020001012120
422200301333201020
5141104033110001
65104012011240
7546466161216
oct124061774110
932118201176
1011287394376
114872492505
122230160b20
1310ab6308ab
14791121cb6
15460e0d236
hex2a0c7f848

11287394376 has 32 divisors (see below), whose sum is σ = 29128761600. Its totient is φ = 3641094720.

The previous prime is 11287394333. The next prime is 11287394383. The reversal of 11287394376 is 67349378211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7584871 + ... + 7586358.

It is an arithmetic number, because the mean of its divisors is an integer number (910273800).

Almost surely, 211287394376 is an apocalyptic number.

It is an amenable number.

11287394376 is an abundant number, since it is smaller than the sum of its proper divisors (17841367224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11287394376 is a wasteful number, since it uses less digits than its factorization.

11287394376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171269 (or 15171265 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 11287394376 in words is "eleven billion, two hundred eighty-seven million, three hundred ninety-four thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 15171229 30342458 45513687 60684916 91027374 121369832 182054748 364109496 470308099 940616198 1410924297 1881232396 2821848594 3762464792 5643697188 11287394376