Base | Representation |
---|---|
bin | 111111011011100000… |
… | …000101110111110100 |
3 | 20111210111120210200100 |
4 | 333123200011313310 |
5 | 2103440411214104 |
6 | 51142112114100 |
7 | 4630521034143 |
oct | 773340056764 |
9 | 214714523610 |
10 | 68107132404 |
11 | 2697a778693 |
12 | 11248b35930 |
13 | 656524035c |
14 | 342148775a |
15 | 1b89361139 |
hex | fdb805df4 |
68107132404 has 36 divisors (see below), whose sum is σ = 181220734240. Its totient is φ = 21507515280.
The previous prime is 68107132397. The next prime is 68107132447. The reversal of 68107132404 is 40423170186.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49785232 + ... + 49786599.
Almost surely, 268107132404 is an apocalyptic number.
It is an amenable number.
68107132404 is an abundant number, since it is smaller than the sum of its proper divisors (113113601836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68107132404 is a wasteful number, since it uses less digits than its factorization.
68107132404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99571860 (or 99571855 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 68107132404 in words is "sixty-eight billion, one hundred seven million, one hundred thirty-two thousand, four hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •