Base | Representation |
---|---|
bin | 10111011000110100… |
… | …110110000100000111 |
3 | 2101211010201122011202 |
4 | 113120310312010013 |
5 | 402412304134241 |
6 | 15311521253115 |
7 | 1546212210113 |
oct | 273064660407 |
9 | 71733648152 |
10 | 25112568071 |
11 | a717432098 |
12 | 4a4a19419b |
13 | 24a295a746 |
14 | 13032ca743 |
15 | 9bea0ad9b |
hex | 5d8d36107 |
25112568071 has 16 divisors (see below), whose sum is σ = 27314380800. Its totient is φ = 23000306400.
The previous prime is 25112568049. The next prime is 25112568077. The reversal of 25112568071 is 17086521152.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25112568071 is a prime.
It is a super-2 number, since 2×251125680712 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25112568077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580490 + ... + 622248.
It is an arithmetic number, because the mean of its divisors is an integer number (1707148800).
Almost surely, 225112568071 is an apocalyptic number.
25112568071 is a deficient number, since it is larger than the sum of its proper divisors (2201812729).
25112568071 is a wasteful number, since it uses less digits than its factorization.
25112568071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42830.
The product of its (nonzero) digits is 33600, while the sum is 38.
The spelling of 25112568071 in words is "twenty-five billion, one hundred twelve million, five hundred sixty-eight thousand, seventy-one".
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