Base | Representation |
---|---|
bin | 1011010100110111110… |
… | …10011111101010010101 |
3 | 1101012111102120120112001 |
4 | 11222123322133222111 |
5 | 22334001142443112 |
6 | 454440130355301 |
7 | 40054550503132 |
oct | 5523372375225 |
9 | 1335442516461 |
10 | 389162859157 |
11 | 14005231a056 |
12 | 63509a2bb31 |
13 | 2a90c395977 |
14 | 14b9aba7589 |
15 | a1ca2c8c57 |
hex | 5a9be9fa95 |
389162859157 has 2 divisors, whose sum is σ = 389162859158. Its totient is φ = 389162859156.
The previous prime is 389162859149. The next prime is 389162859187. The reversal of 389162859157 is 751958261983.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 227804789521 + 161358069636 = 477289^2 + 401694^2 .
It is an emirp because it is prime and its reverse (751958261983) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 389162859157 - 23 = 389162859149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (389162859187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194581429578 + 194581429579.
It is an arithmetic number, because the mean of its divisors is an integer number (194581429579).
Almost surely, 2389162859157 is an apocalyptic number.
It is an amenable number.
389162859157 is a deficient number, since it is larger than the sum of its proper divisors (1).
389162859157 is an equidigital number, since it uses as much as digits as its factorization.
389162859157 is an evil number, because the sum of its binary digits is even.
The product of its digits is 32659200, while the sum is 64.
The spelling of 389162859157 in words is "three hundred eighty-nine billion, one hundred sixty-two million, eight hundred fifty-nine thousand, one hundred fifty-seven".
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