Base | Representation |
---|---|
bin | 1111000100101011110… |
… | …1100001001010010101 |
3 | 220202102001210110021021 |
4 | 3301022331201022111 |
5 | 13220320123201412 |
6 | 314543530521141 |
7 | 24465106643125 |
oct | 3611275411225 |
9 | 822361713237 |
10 | 258955678357 |
11 | 9a905802a22 |
12 | 4222b8961b1 |
13 | 1b55b5c155c |
14 | c767daac85 |
15 | 6b0918d607 |
hex | 3c4af61295 |
258955678357 has 2 divisors, whose sum is σ = 258955678358. Its totient is φ = 258955678356.
The previous prime is 258955678211. The next prime is 258955678361. The reversal of 258955678357 is 753876559852.
258955678357 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 can be written as a sum of positive squares in only one way, i.e., 141997834276 + 116957844081 = 376826^2 + 341991^2 .
It is a cyclic number.
It is not a de Polignac number, because 258955678357 - 219 = 258955154069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (258955678057) 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, 129477839178 + 129477839179.
It is an arithmetic number, because the mean of its divisors is an integer number (129477839179).
Almost surely, 2258955678357 is an apocalyptic number.
It is an amenable number.
258955678357 is a deficient number, since it is larger than the sum of its proper divisors (1).
258955678357 is an equidigital number, since it uses as much as digits as its factorization.
258955678357 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 635040000, while the sum is 70.
The spelling of 258955678357 in words is "two hundred fifty-eight billion, nine hundred fifty-five million, six hundred seventy-eight thousand, three hundred fifty-seven".
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