Base | Representation |
---|---|
bin | 111011111001011111… |
… | …111100110100101100 |
3 | 20011000020212002201220 |
4 | 323321133330310230 |
5 | 2023204223211044 |
6 | 45313543103340 |
7 | 4434540154422 |
oct | 737137746454 |
9 | 204006762656 |
10 | 64315444524 |
11 | 25304434441 |
12 | 1056b141b50 |
13 | 60ac826466 |
14 | 3181a7b112 |
15 | 1a16538019 |
hex | ef97fcd2c |
64315444524 has 24 divisors (see below), whose sum is σ = 157967759040. Its totient is φ = 20310140304.
The previous prime is 64315444493. The next prime is 64315444601. The reversal of 64315444524 is 42544451346.
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, 141042414 + ... + 141042869.
It is an arithmetic number, because the mean of its divisors is an integer number (6581989960).
Almost surely, 264315444524 is an apocalyptic number.
It is an amenable number.
64315444524 is an abundant number, since it is smaller than the sum of its proper divisors (93652314516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64315444524 is a wasteful number, since it uses less digits than its factorization.
64315444524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282085309 (or 282085307 counting only the distinct ones).
The product of its digits is 921600, while the sum is 42.
The spelling of 64315444524 in words is "sixty-four billion, three hundred fifteen million, four hundred forty-four thousand, five hundred twenty-four".
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