Base | Representation |
---|---|
bin | 1101011001010000111… |
… | …0101110000011000111 |
3 | 210222222110200000012021 |
4 | 3112110032232003013 |
5 | 12232241224401122 |
6 | 253414333304011 |
7 | 22424410012663 |
oct | 3262416560307 |
9 | 728873600167 |
10 | 230120153287 |
11 | 89658911172 |
12 | 38722935007 |
13 | 18914562b9b |
14 | b1d04858a3 |
15 | 5ebc8d41c7 |
hex | 35943ae0c7 |
230120153287 has 2 divisors, whose sum is σ = 230120153288. Its totient is φ = 230120153286.
The previous prime is 230120153191. The next prime is 230120153309. The reversal of 230120153287 is 782351021032.
230120153287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230120153287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230120193287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115060076643 + 115060076644.
It is an arithmetic number, because the mean of its divisors is an integer number (115060076644).
Almost surely, 2230120153287 is an apocalyptic number.
230120153287 is a deficient number, since it is larger than the sum of its proper divisors (1).
230120153287 is an equidigital number, since it uses as much as digits as its factorization.
230120153287 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20160, while the sum is 34.
The spelling of 230120153287 in words is "two hundred thirty billion, one hundred twenty million, one hundred fifty-three thousand, two hundred eighty-seven".
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