Base | Representation |
---|---|
bin | 10000111001000011… |
… | …010101111101011100 |
3 | 1201211000001102222220 |
4 | 100321003111331130 |
5 | 244121041000001 |
6 | 12155415505340 |
7 | 1211311232454 |
oct | 207103257534 |
9 | 51730042886 |
10 | 18137046876 |
11 | 7767987843 |
12 | 3622088250 |
13 | 1930745700 |
14 | c40b02d64 |
15 | 712429c36 |
hex | 4390d5f5c |
18137046876 has 36 divisors (see below), whose sum is σ = 45825561432. Its totient is φ = 5580629184.
The previous prime is 18137046869. The next prime is 18137046883. The reversal of 18137046876 is 67864073181.
It is an interprime number because it is at equal distance from previous prime (18137046869) and next prime (18137046883).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4469631 + ... + 4473686.
It is an arithmetic number, because the mean of its divisors is an integer number (1272932262).
Almost surely, 218137046876 is an apocalyptic number.
It is an amenable number.
18137046876 is an abundant number, since it is smaller than the sum of its proper divisors (27688514556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18137046876 is a wasteful number, since it uses less digits than its factorization.
18137046876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8943350 (or 8943335 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 51.
The spelling of 18137046876 in words is "eighteen billion, one hundred thirty-seven million, forty-six thousand, eight hundred seventy-six".
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