Base | Representation |
---|---|
bin | 11000000010010010… |
… | …011111110010111111 |
3 | 2110121121200202102222 |
4 | 120002102133302333 |
5 | 410323400111124 |
6 | 15504531235555 |
7 | 1602360066056 |
oct | 300222376277 |
9 | 73547622388 |
10 | 25808207039 |
11 | aa44072a2a |
12 | 5003148bbb |
13 | 2583b00b34 |
14 | 136b84b39d |
15 | a10b1b25e |
hex | 60249fcbf |
25808207039 has 2 divisors, whose sum is σ = 25808207040. Its totient is φ = 25808207038.
The previous prime is 25808207027. The next prime is 25808207041. The reversal of 25808207039 is 93070280852.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25808207039 - 224 = 25791429823 is a prime.
It is a Sophie Germain prime.
Together with 25808207041, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25808207099) 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, 12904103519 + 12904103520.
It is an arithmetic number, because the mean of its divisors is an integer number (12904103520).
Almost surely, 225808207039 is an apocalyptic number.
25808207039 is a deficient number, since it is larger than the sum of its proper divisors (1).
25808207039 is an equidigital number, since it uses as much as digits as its factorization.
25808207039 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 25808207039 in words is "twenty-five billion, eight hundred eight million, two hundred seven thousand, thirty-nine".
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