Base | Representation |
---|---|
bin | 100010100101… |
… | …0010011110000 |
3 | 1021010002220102 |
4 | 1011022103300 |
5 | 14120131120 |
6 | 1444331532 |
7 | 310050416 |
oct | 105122360 |
9 | 37102812 |
10 | 18130160 |
11 | a263504 |
12 | 60a3ba8 |
13 | 39aa309 |
14 | 259d2b6 |
15 | 18d1d75 |
hex | 114a4f0 |
18130160 has 40 divisors (see below), whose sum is σ = 44635536. Its totient is φ = 6824960.
The previous prime is 18130153. The next prime is 18130193. The reversal of 18130160 is 6103181.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 8025.
Almost surely, 218130160 is an apocalyptic number.
18130160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18130160 is an abundant number, since it is smaller than the sum of its proper divisors (26505376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18130160 is a wasteful number, since it uses less digits than its factorization.
18130160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13361 (or 13355 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 18130160 is about 4257.9525596230. The cubic root of 18130160 is about 262.7043186282.
The spelling of 18130160 in words is "eighteen million, one hundred thirty thousand, one hundred sixty".
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