Base | Representation |
---|---|
bin | 10001000011110011… |
… | …000110001001001000 |
3 | 1202021120022010202211 |
4 | 101003303012021020 |
5 | 300003214242120 |
6 | 12225340034504 |
7 | 1215630540223 |
oct | 210363061110 |
9 | 52246263684 |
10 | 18317337160 |
11 | 784a728581 |
12 | 3672532a34 |
13 | 195bbbb755 |
14 | c5aa345ba |
15 | 72318e25a |
hex | 443cc6248 |
18317337160 has 16 divisors (see below), whose sum is σ = 41214008700. Its totient is φ = 7326934848.
The previous prime is 18317337121. The next prime is 18317337211. The reversal of 18317337160 is 6173371381.
It can be written as a sum of positive squares in 2 ways, for example, as 14718057124 + 3599280036 = 121318^2 + 59994^2 .
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 457933429 = 18317337160 / (1 + 8 + 3 + 1 + 7 + 3 + 3 + 7 + 1 + 6 + 0).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228966675 + ... + 228966754.
Almost surely, 218317337160 is an apocalyptic number.
18317337160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18317337160 is an abundant number, since it is smaller than the sum of its proper divisors (22896671540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18317337160 is a wasteful number, since it uses less digits than its factorization.
18317337160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457933440 (or 457933436 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 40.
The spelling of 18317337160 in words is "eighteen billion, three hundred seventeen million, three hundred thirty-seven thousand, one hundred sixty".
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