Base | Representation |
---|---|
bin | 10111010101011010… |
… | …100100111111110001 |
3 | 2101200011001200210102 |
4 | 113111122210333301 |
5 | 402303132211034 |
6 | 15302115042145 |
7 | 1544615652611 |
oct | 272532447761 |
9 | 71604050712 |
10 | 25055350769 |
11 | a698101969 |
12 | 4a32ba0355 |
13 | 2493b46257 |
14 | 12d9874a41 |
15 | 9b99a797e |
hex | 5d56a4ff1 |
25055350769 has 2 divisors, whose sum is σ = 25055350770. Its totient is φ = 25055350768.
The previous prime is 25055350763. The next prime is 25055350871. The reversal of 25055350769 is 96705355052.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14801155600 + 10254195169 = 121660^2 + 101263^2 .
It is a cyclic number.
It is not a de Polignac number, because 25055350769 - 220 = 25054302193 is a prime.
It is a super-2 number, since 2×250553507692 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (25055350763) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527675384 + 12527675385.
It is an arithmetic number, because the mean of its divisors is an integer number (12527675385).
Almost surely, 225055350769 is an apocalyptic number.
It is an amenable number.
25055350769 is a deficient number, since it is larger than the sum of its proper divisors (1).
25055350769 is an equidigital number, since it uses as much as digits as its factorization.
25055350769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1417500, while the sum is 47.
The spelling of 25055350769 in words is "twenty-five billion, fifty-five million, three hundred fifty thousand, seven hundred sixty-nine".
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