Base | Representation |
---|---|
bin | 11000011100111110… |
… | …00011010011011010 |
3 | 1020212220111120200220 |
4 | 30032133003103122 |
5 | 203341222013111 |
6 | 10010400540510 |
7 | 643215334500 |
oct | 141637032332 |
9 | 36786446626 |
10 | 13127922906 |
11 | 562740886a |
12 | 2664621736 |
13 | 1312a40c27 |
14 | 8c7748670 |
15 | 51c7bee06 |
hex | 30e7c34da |
13127922906 has 48 divisors (see below), whose sum is σ = 30556933920. Its totient is φ = 3749064480.
The previous prime is 13127922883. The next prime is 13127922949. The reversal of 13127922906 is 60922972131.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693021 + ... + 711711.
It is an arithmetic number, because the mean of its divisors is an integer number (636602790).
Almost surely, 213127922906 is an apocalyptic number.
13127922906 is an abundant number, since it is smaller than the sum of its proper divisors (17429011014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13127922906 is a wasteful number, since it uses less digits than its factorization.
13127922906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21099 (or 21092 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
The spelling of 13127922906 in words is "thirteen billion, one hundred twenty-seven million, nine hundred twenty-two thousand, nine hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •