Base | Representation |
---|---|
bin | 10111101011011111… |
… | …110001001010000011 |
3 | 2102121222010222101120 |
4 | 113223133301022003 |
5 | 404033001410201 |
6 | 15402551203323 |
7 | 1560034551045 |
oct | 275337611203 |
9 | 72558128346 |
10 | 25425810051 |
11 | a868230464 |
12 | 4b17076543 |
13 | 2522813925 |
14 | 1332b49a95 |
15 | 9dc283536 |
hex | 5eb7f1283 |
25425810051 has 64 divisors (see below), whose sum is σ = 37623398400. Its totient is φ = 15212102400.
The previous prime is 25425810029. The next prime is 25425810073. The reversal of 25425810051 is 15001852452.
It is an interprime number because it is at equal distance from previous prime (25425810029) and next prime (25425810073).
It is not a de Polignac number, because 25425810051 - 211 = 25425808003 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25425809994 and 25425810021.
It is not an unprimeable number, because it can be changed into a prime (25425810251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16826386 + ... + 16827896.
It is an arithmetic number, because the mean of its divisors is an integer number (587865600).
Almost surely, 225425810051 is an apocalyptic number.
25425810051 is a deficient number, since it is larger than the sum of its proper divisors (12197588349).
25425810051 is a wasteful number, since it uses less digits than its factorization.
25425810051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1760.
The product of its (nonzero) digits is 16000, while the sum is 33.
The spelling of 25425810051 in words is "twenty-five billion, four hundred twenty-five million, eight hundred ten thousand, fifty-one".
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