Base | Representation |
---|---|
bin | 11110001000110011… |
… | …11111100001100100 |
3 | 1112202121121200222212 |
4 | 33010121333201210 |
5 | 231114043100040 |
6 | 11233310342552 |
7 | 1111646104331 |
oct | 170431774144 |
9 | 45677550885 |
10 | 16180050020 |
11 | 6953242072 |
12 | 31767baa58 |
13 | 16ab176ac4 |
14 | ad6c3d988 |
15 | 64a70dd65 |
hex | 3c467f864 |
16180050020 has 24 divisors (see below), whose sum is σ = 35766427200. Its totient is φ = 6131387232.
The previous prime is 16180049989. The next prime is 16180050049. The reversal of 16180050020 is 2005008161.
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, 21289160 + ... + 21289919.
It is an arithmetic number, because the mean of its divisors is an integer number (1490267800).
Almost surely, 216180050020 is an apocalyptic number.
16180050020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16180050020 is an abundant number, since it is smaller than the sum of its proper divisors (19586377180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16180050020 is a wasteful number, since it uses less digits than its factorization.
16180050020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42579107 (or 42579105 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
Adding to 16180050020 its reverse (2005008161), we get a palindrome (18185058181).
The spelling of 16180050020 in words is "sixteen billion, one hundred eighty million, fifty thousand, twenty".
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