Base | Representation |
---|---|
bin | 11110100001101… |
… | …00101010100011 |
3 | 122211211121121121 |
4 | 33100310222203 |
5 | 1011023141014 |
6 | 41224233111 |
7 | 6226354456 |
oct | 1720645243 |
9 | 584747547 |
10 | 256068259 |
11 | 1215a8967 |
12 | 7190b797 |
13 | 410887a5 |
14 | 2601949d |
15 | 17732124 |
hex | f434aa3 |
256068259 has 2 divisors, whose sum is σ = 256068260. Its totient is φ = 256068258.
The previous prime is 256068257. The next prime is 256068299. The reversal of 256068259 is 952860652.
256068259 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 is a cyclic number.
It is not a de Polignac number, because 256068259 - 21 = 256068257 is a prime.
Together with 256068257, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (256068251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128034129 + 128034130.
It is an arithmetic number, because the mean of its divisors is an integer number (128034130).
Almost surely, 2256068259 is an apocalyptic number.
256068259 is a deficient number, since it is larger than the sum of its proper divisors (1).
256068259 is an equidigital number, since it uses as much as digits as its factorization.
256068259 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 259200, while the sum is 43.
The square root of 256068259 is about 16002.1329515787. The cubic root of 256068259 is about 635.0168503599.
The spelling of 256068259 in words is "two hundred fifty-six million, sixty-eight thousand, two hundred fifty-nine".
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