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194118868 = 22132736571
BaseRepresentation
bin10111001001000…
…00010011010100
3111112021021000201
423210200103110
5344143300433
631132350244
74544661136
oct1344402324
9445237021
10194118868
119a636419
1255015384
13312a8448
141bad1056
1512096a7d
hexb9204d4

194118868 has 12 divisors (see below), whose sum is σ = 339973312. Its totient is φ = 96983640.

The previous prime is 194118853. The next prime is 194118871. The reversal of 194118868 is 868811491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12978 + ... + 23593.

Almost surely, 2194118868 is an apocalyptic number.

It is an amenable number.

194118868 is a deficient number, since it is larger than the sum of its proper divisors (145854444).

194118868 is a wasteful number, since it uses less digits than its factorization.

194118868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37902 (or 37900 counting only the distinct ones).

The product of its digits is 110592, while the sum is 46.

The square root of 194118868 is about 13932.6547362662. The cubic root of 194118868 is about 579.0142471112.

The spelling of 194118868 in words is "one hundred ninety-four million, one hundred eighteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1327 2654 5308 36571 73142 146284 48529717 97059434 194118868