Base | Representation |
---|---|
bin | 10001101000111110100110… |
… | …00001011010111000110001 |
3 | 12002100102100200000100100122 |
4 | 20310133103001122320301 |
5 | 20041024231320440100 |
6 | 214300304001500025 |
7 | 11112404543503454 |
oct | 1064372301327061 |
9 | 162312320010318 |
10 | 38791390015025 |
11 | 113a637741291a |
12 | 4426046041615 |
13 | 18850212862bb |
14 | 9817286a149b |
15 | 4740be1e4985 |
hex | 2347d305ae31 |
38791390015025 has 24 divisors (see below), whose sum is σ = 49866082366464. Its totient is φ = 29903150851200.
The previous prime is 38791390014967. The next prime is 38791390015051. The reversal of 38791390015025 is 52051009319783.
It is a de Polignac number, because none of the positive numbers 2k-38791390015025 is a prime.
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, 107230169 + ... + 107591318.
It is an arithmetic number, because the mean of its divisors is an integer number (2077753431936).
Almost surely, 238791390015025 is an apocalyptic number.
It is an amenable number.
38791390015025 is a deficient number, since it is larger than the sum of its proper divisors (11074692351439).
38791390015025 is a wasteful number, since it uses less digits than its factorization.
38791390015025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214821761 (or 214821756 counting only the distinct ones).
The product of its (nonzero) digits is 2041200, while the sum is 53.
The spelling of 38791390015025 in words is "thirty-eight trillion, seven hundred ninety-one billion, three hundred ninety million, fifteen thousand, twenty-five".
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