Base | Representation |
---|---|
bin | 10111010111101010… |
… | …001000100011101101 |
3 | 2101202202212121112112 |
4 | 113113222020203231 |
5 | 402342300424041 |
6 | 15305541413405 |
7 | 1545553556621 |
oct | 272752104355 |
9 | 71682777475 |
10 | 25092983021 |
11 | a7073755a7 |
12 | 4a4370a265 |
13 | 249b891162 |
14 | 130086d181 |
15 | 9bce3cdeb |
hex | 5d7a888ed |
25092983021 has 2 divisors, whose sum is σ = 25092983022. Its totient is φ = 25092983020.
The previous prime is 25092983017. The next prime is 25092983131. The reversal of 25092983021 is 12038929052.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24927988996 + 164994025 = 157886^2 + 12845^2 .
It is a cyclic number.
It is not a de Polignac number, because 25092983021 - 22 = 25092983017 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25092983021.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25092983011) 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, 12546491510 + 12546491511.
It is an arithmetic number, because the mean of its divisors is an integer number (12546491511).
Almost surely, 225092983021 is an apocalyptic number.
It is an amenable number.
25092983021 is a deficient number, since it is larger than the sum of its proper divisors (1).
25092983021 is an equidigital number, since it uses as much as digits as its factorization.
25092983021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 77760, while the sum is 41.
The spelling of 25092983021 in words is "twenty-five billion, ninety-two million, nine hundred eighty-three thousand, twenty-one".
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