Base | Representation |
---|---|
bin | 10111010101110010… |
… | …100001100111010111 |
3 | 2101200120212122001100 |
4 | 113111302201213113 |
5 | 402311234102000 |
6 | 15302501401143 |
7 | 1545023216640 |
oct | 272562414727 |
9 | 71616778040 |
10 | 25061628375 |
11 | a6a06aa373 |
12 | 4a351091b3 |
13 | 2495233704 |
14 | 12da62a6c7 |
15 | 9ba2e7a00 |
hex | 5d5ca19d7 |
25061628375 has 192 divisors, whose sum is σ = 53640437760. Its totient is φ = 11016000000.
The previous prime is 25061628373. The next prime is 25061628401. The reversal of 25061628375 is 57382616052.
25061628375 is a `hidden beast` number, since 2 + 5 + 0 + 616 + 28 + 3 + 7 + 5 = 666.
It is not a de Polignac number, because 25061628375 - 21 = 25061628373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 25061628375.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25061628373) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 61275171 + ... + 61275579.
It is an arithmetic number, because the mean of its divisors is an integer number (279377280).
Almost surely, 225061628375 is an apocalyptic number.
25061628375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
25061628375 is an abundant number, since it is smaller than the sum of its proper divisors (28578809385).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25061628375 is a wasteful number, since it uses less digits than its factorization.
25061628375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719 (or 706 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 45.
The spelling of 25061628375 in words is "twenty-five billion, sixty-one million, six hundred twenty-eight thousand, three hundred seventy-five".
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