Base | Representation |
---|---|
bin | 10000001110011… |
… | …00110011010001 |
3 | 100111002212012012 |
4 | 20013030303101 |
5 | 234320331134 |
6 | 21301112305 |
7 | 3241606034 |
oct | 1007146321 |
9 | 314085165 |
10 | 136105169 |
11 | 6a911912 |
12 | 396b8695 |
13 | 22275605 |
14 | 1410d01b |
15 | be376ce |
hex | 81cccd1 |
136105169 has 2 divisors, whose sum is σ = 136105170. Its totient is φ = 136105168.
The previous prime is 136105147. The next prime is 136105181. The reversal of 136105169 is 961501631.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105987025 + 30118144 = 10295^2 + 5488^2 .
It is a cyclic number.
It is not a de Polignac number, because 136105169 - 212 = 136101073 is a prime.
It is a super-2 number, since 2×1361051692 = 37049234057037122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (136101169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68052584 + 68052585.
It is an arithmetic number, because the mean of its divisors is an integer number (68052585).
Almost surely, 2136105169 is an apocalyptic number.
It is an amenable number.
136105169 is a deficient number, since it is larger than the sum of its proper divisors (1).
136105169 is an equidigital number, since it uses as much as digits as its factorization.
136105169 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4860, while the sum is 32.
The square root of 136105169 is about 11666.4120019824. The cubic root of 136105169 is about 514.3888423661.
The spelling of 136105169 in words is "one hundred thirty-six million, one hundred five thousand, one hundred sixty-nine".
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