Base | Representation |
---|---|
bin | 111100010011011011… |
… | …001111100111101100 |
3 | 20012010120100001201220 |
4 | 330103123033213230 |
5 | 2030102101342122 |
6 | 45425042103340 |
7 | 4451401322031 |
oct | 742333174754 |
9 | 205116301656 |
10 | 64750418412 |
11 | 25507a17799 |
12 | 1067094ab50 |
13 | 614b991964 |
14 | 31c3747388 |
15 | 1a3e80925c |
hex | f136cf9ec |
64750418412 has 24 divisors (see below), whose sum is σ = 154597899456. Its totient is φ = 21081531408.
The previous prime is 64750418407. The next prime is 64750418423. The reversal of 64750418412 is 21481405746.
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, 62742138 + ... + 62743169.
It is an arithmetic number, because the mean of its divisors is an integer number (6441579144).
Almost surely, 264750418412 is an apocalyptic number.
It is an amenable number.
64750418412 is an abundant number, since it is smaller than the sum of its proper divisors (89847481044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64750418412 is a wasteful number, since it uses less digits than its factorization.
64750418412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125485357 (or 125485355 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The spelling of 64750418412 in words is "sixty-four billion, seven hundred fifty million, four hundred eighteen thousand, four hundred twelve".
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