Base | Representation |
---|---|
bin | 10111101100100000… |
… | …011001000100010101 |
3 | 2102200011000122122112 |
4 | 113230200121010111 |
5 | 404101321010431 |
6 | 15404354240405 |
7 | 1560331545602 |
oct | 275440310425 |
9 | 72604018575 |
10 | 25442750741 |
11 | a876851231 |
12 | 4b20886105 |
13 | 25261956c5 |
14 | 13350b96a9 |
15 | 9dd9ccc2b |
hex | 5ec819115 |
25442750741 has 2 divisors, whose sum is σ = 25442750742. Its totient is φ = 25442750740.
The previous prime is 25442750713. The next prime is 25442750747. The reversal of 25442750741 is 14705724452.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24779482225 + 663268516 = 157415^2 + 25754^2 .
It is a cyclic number.
It is not a de Polignac number, because 25442750741 - 26 = 25442750677 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25442750747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12721375370 + 12721375371.
It is an arithmetic number, because the mean of its divisors is an integer number (12721375371).
Almost surely, 225442750741 is an apocalyptic number.
It is an amenable number.
25442750741 is a deficient number, since it is larger than the sum of its proper divisors (1).
25442750741 is an equidigital number, since it uses as much as digits as its factorization.
25442750741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 313600, while the sum is 41.
The spelling of 25442750741 in words is "twenty-five billion, four hundred forty-two million, seven hundred fifty thousand, seven hundred forty-one".
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