Base | Representation |
---|---|
bin | 1011010111101011110… |
… | …10110100111110000000 |
3 | 1101100101122222101110210 |
4 | 11223311322310332000 |
5 | 22400044230131442 |
6 | 455250031554120 |
7 | 40140144552420 |
oct | 5536572647600 |
9 | 1340348871423 |
10 | 390672895872 |
11 | 140757734a86 |
12 | 6386b68b940 |
13 | 2aac019040c |
14 | 14ca1560480 |
15 | a267b5719c |
hex | 5af5eb4f80 |
390672895872 has 256 divisors, whose sum is σ = 1238149440000. Its totient is φ = 106780778496.
The previous prime is 390672895861. The next prime is 390672895889. The reversal of 390672895872 is 278598276093.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8473779 + ... + 8519757.
It is an arithmetic number, because the mean of its divisors is an integer number (4836521250).
Almost surely, 2390672895872 is an apocalyptic number.
390672895872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 390672895872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619074720000).
390672895872 is an abundant number, since it is smaller than the sum of its proper divisors (847476544128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390672895872 is a wasteful number, since it uses less digits than its factorization.
390672895872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46141 (or 46129 counting only the distinct ones).
The product of its (nonzero) digits is 91445760, while the sum is 66.
The spelling of 390672895872 in words is "three hundred ninety billion, six hundred seventy-two million, eight hundred ninety-five thousand, eight hundred seventy-two".
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