Base | Representation |
---|---|
bin | 10111010101010110… |
… | …011011010010011001 |
3 | 2101200002000101212101 |
4 | 113111112123102121 |
5 | 402302342344200 |
6 | 15302035443401 |
7 | 1544603500603 |
oct | 272526332231 |
9 | 71602011771 |
10 | 25054262425 |
11 | a697529205 |
12 | 4a32756561 |
13 | 2493854a6a |
14 | 12d9670173 |
15 | 9b984026a |
hex | 5d559b499 |
25054262425 has 6 divisors (see below), whose sum is σ = 31067285438. Its totient is φ = 20043409920.
The previous prime is 25054262413. The next prime is 25054262461. The reversal of 25054262425 is 52426245052.
It can be written as a sum of positive squares in 3 ways, for example, as 23541904 + 25030720521 = 4852^2 + 158211^2 .
It is not a de Polignac number, because 25054262425 - 221 = 25052165273 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 5 ways as a sum of consecutive naturals, for example, 501085224 + ... + 501085273.
Almost surely, 225054262425 is an apocalyptic number.
25054262425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25054262425 is a deficient number, since it is larger than the sum of its proper divisors (6013023013).
25054262425 is a wasteful number, since it uses less digits than its factorization.
25054262425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1002170507 (or 1002170502 counting only the distinct ones).
The product of its (nonzero) digits is 192000, while the sum is 37.
The spelling of 25054262425 in words is "twenty-five billion, fifty-four million, two hundred sixty-two thousand, four hundred twenty-five".
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