Base | Representation |
---|---|
bin | 10001010110000101… |
… | …010101100111111010 |
3 | 1210001221112202200200 |
4 | 101112011111213322 |
5 | 301120232442200 |
6 | 12320015143030 |
7 | 1226344213011 |
oct | 212605254772 |
9 | 53057482620 |
10 | 18624109050 |
11 | 7997907868 |
12 | 3739214a76 |
13 | 19aa61a991 |
14 | c8968ba78 |
15 | 740089800 |
hex | 4561559fa |
18624109050 has 36 divisors (see below), whose sum is σ = 50036774190. Its totient is φ = 4966428960.
The previous prime is 18624109039. The next prime is 18624109057. The reversal of 18624109050 is 5090142681.
18624109050 is a `hidden beast` number, since 18 + 624 + 10 + 9 + 0 + 5 + 0 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 16935638769 + 1688470281 = 130137^2 + 41091^2 .
It is a junction number, because it is equal to n+sod(n) for n = 18624108996 and 18624109014.
It is not an unprimeable number, because it can be changed into a prime (18624109057) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20693005 + ... + 20693904.
Almost surely, 218624109050 is an apocalyptic number.
18624109050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18624109050 is an abundant number, since it is smaller than the sum of its proper divisors (31412665140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18624109050 is a wasteful number, since it uses less digits than its factorization.
18624109050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41386927 (or 41386919 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The spelling of 18624109050 in words is "eighteen billion, six hundred twenty-four million, one hundred nine thousand, fifty".
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