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18149674804 = 2219922801099
BaseRepresentation
bin10000111001110011…
…100000111100110100
31201211212211000020221
4100321303200330310
5244132304043204
612200550304124
71211523455542
oct207163407464
951755730227
1018149674804
117774022348
123626358044
131933247461
14c4266cd92
157135c1654
hex439ce0f34

18149674804 has 12 divisors (see below), whose sum is σ = 31921540000. Its totient is φ = 9029234808.

The previous prime is 18149674799. The next prime is 18149674819. The reversal of 18149674804 is 40847694181.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11399754 + ... + 11401345.

Almost surely, 218149674804 is an apocalyptic number.

It is an amenable number.

18149674804 is a deficient number, since it is larger than the sum of its proper divisors (13771865196).

18149674804 is a wasteful number, since it uses less digits than its factorization.

18149674804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22801302 (or 22801300 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 18149674804 in words is "eighteen billion, one hundred forty-nine million, six hundred seventy-four thousand, eight hundred four".

Divisors: 1 2 4 199 398 796 22801099 45602198 91204396 4537418701 9074837402 18149674804