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12307817164 = 2227997109903
BaseRepresentation
bin10110111011001101…
…00110001011001100
31011202202022220010011
423131212212023030
5200201300122124
65353143123004
7613666501606
oct133546461314
934682286104
1012307817164
115246495225
122475a43464
131211b6b766
1484a868176
154c07c5994
hex2dd9a62cc

12307817164 has 12 divisors (see below), whose sum is σ = 21539645344. Its totient is φ = 6153632784.

The previous prime is 12307817153. The next prime is 12307817227. The reversal of 12307817164 is 46171870321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57037 + ... + 166939.

Almost surely, 212307817164 is an apocalyptic number.

It is an amenable number.

12307817164 is a deficient number, since it is larger than the sum of its proper divisors (9231828180).

12307817164 is a wasteful number, since it uses less digits than its factorization.

12307817164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137904 (or 137902 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 12307817164 in words is "twelve billion, three hundred seven million, eight hundred seventeen thousand, one hundred sixty-four".

Divisors: 1 2 4 27997 55994 109903 111988 219806 439612 3076954291 6153908582 12307817164