Base | Representation |
---|---|
bin | 10111010010110101… |
… | …101011010111010101 |
3 | 2101120010201111120101 |
4 | 113102311223113111 |
5 | 402211100414333 |
6 | 15253532334101 |
7 | 1543552352446 |
oct | 272265532725 |
9 | 71503644511 |
10 | 25012123093 |
11 | a675767311 |
12 | 4a20614331 |
13 | 2487bbc549 |
14 | 12d3c212cd |
15 | 9b5cb967d |
hex | 5d2d6b5d5 |
25012123093 has 2 divisors, whose sum is σ = 25012123094. Its totient is φ = 25012123092.
The previous prime is 25012123067. The next prime is 25012123109. The reversal of 25012123093 is 39032121052.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24849739044 + 162384049 = 157638^2 + 12743^2 .
It is a cyclic number.
It is not a de Polignac number, because 25012123093 - 25 = 25012123061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25012120093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506061546 + 12506061547.
It is an arithmetic number, because the mean of its divisors is an integer number (12506061547).
Almost surely, 225012123093 is an apocalyptic number.
It is an amenable number.
25012123093 is a deficient number, since it is larger than the sum of its proper divisors (1).
25012123093 is an equidigital number, since it uses as much as digits as its factorization.
25012123093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 28.
The spelling of 25012123093 in words is "twenty-five billion, twelve million, one hundred twenty-three thousand, ninety-three".
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