Base | Representation |
---|---|
bin | 100011011100011011… |
… | …101100101000110001 |
3 | 10122020022211000221121 |
4 | 203130123230220301 |
5 | 1110420321032414 |
6 | 25252242422241 |
7 | 2515053356116 |
oct | 433433545061 |
9 | 118208730847 |
10 | 38057986609 |
11 | 1515a8176a5 |
12 | 7461661981 |
13 | 378692b906 |
14 | 1bb06c890d |
15 | ecb27a724 |
hex | 8dc6eca31 |
38057986609 has 2 divisors, whose sum is σ = 38057986610. Its totient is φ = 38057986608.
The previous prime is 38057986579. The next prime is 38057986699. The reversal of 38057986609 is 90668975083.
38057986609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21661952400 + 16396034209 = 147180^2 + 128047^2 .
It is a cyclic number.
It is not a de Polignac number, because 38057986609 - 29 = 38057986097 is a prime.
It is not a weakly prime, because it can be changed into another prime (38057986699) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19028993304 + 19028993305.
It is an arithmetic number, because the mean of its divisors is an integer number (19028993305).
Almost surely, 238057986609 is an apocalyptic number.
It is an amenable number.
38057986609 is a deficient number, since it is larger than the sum of its proper divisors (1).
38057986609 is an equidigital number, since it uses as much as digits as its factorization.
38057986609 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19595520, while the sum is 61.
The spelling of 38057986609 in words is "thirty-eight billion, fifty-seven million, nine hundred eighty-six thousand, six hundred nine".
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