Base | Representation |
---|---|
bin | 100011011111011100… |
… | …010111000101101001 |
3 | 10122100211211222111201 |
4 | 203133130113011221 |
5 | 1111021233222022 |
6 | 25301245124201 |
7 | 2516235560422 |
oct | 433734270551 |
9 | 118324758451 |
10 | 38108492137 |
11 | 15186283201 |
12 | 7476559661 |
13 | 3794233141 |
14 | 1bb72b4649 |
15 | ed0905127 |
hex | 8df717169 |
38108492137 has 2 divisors, whose sum is σ = 38108492138. Its totient is φ = 38108492136.
The previous prime is 38108492131. The next prime is 38108492161. The reversal of 38108492137 is 73129480183.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29410878016 + 8697614121 = 171496^2 + 93261^2 .
It is a cyclic number.
It is not a de Polignac number, because 38108492137 - 211 = 38108490089 is a prime.
It is not a weakly prime, because it can be changed into another prime (38108492131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19054246068 + 19054246069.
It is an arithmetic number, because the mean of its divisors is an integer number (19054246069).
Almost surely, 238108492137 is an apocalyptic number.
It is an amenable number.
38108492137 is a deficient number, since it is larger than the sum of its proper divisors (1).
38108492137 is an equidigital number, since it uses as much as digits as its factorization.
38108492137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 290304, while the sum is 46.
The spelling of 38108492137 in words is "thirty-eight billion, one hundred eight million, four hundred ninety-two thousand, one hundred thirty-seven".
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