Base | Representation |
---|---|
bin | 11011011011110… |
… | …10000100101111 |
3 | 121001001020012112 |
4 | 31231322010233 |
5 | 432403410114 |
6 | 34500354235 |
7 | 5463066506 |
oct | 1555720457 |
9 | 531036175 |
10 | 230138159 |
11 | 1089a8229 |
12 | 650a597b |
13 | 388aa134 |
14 | 227c983d |
15 | 1530e13e |
hex | db7a12f |
230138159 has 2 divisors, whose sum is σ = 230138160. Its totient is φ = 230138158.
The previous prime is 230138149. The next prime is 230138213. The reversal of 230138159 is 951831032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230138159 - 24 = 230138143 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230138149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115069079 + 115069080.
It is an arithmetic number, because the mean of its divisors is an integer number (115069080).
Almost surely, 2230138159 is an apocalyptic number.
230138159 is a deficient number, since it is larger than the sum of its proper divisors (1).
230138159 is an equidigital number, since it uses as much as digits as its factorization.
230138159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 230138159 is about 15170.3051716173. The cubic root of 230138159 is about 612.8152226660.
The spelling of 230138159 in words is "two hundred thirty million, one hundred thirty-eight thousand, one hundred fifty-nine".
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