Base | Representation |
---|---|
bin | 10111111011001000… |
… | …001001100100111001 |
3 | 2110022020121100120010 |
4 | 113323020021210321 |
5 | 410102120212243 |
6 | 15445000052133 |
7 | 1566400566633 |
oct | 277310114471 |
9 | 73266540503 |
10 | 25688054073 |
11 | a992267260 |
12 | 4b8aa64049 |
13 | 2564c523c6 |
14 | 13598d1a53 |
15 | a052d5433 |
hex | 5fb209939 |
25688054073 has 32 divisors (see below), whose sum is σ = 38067563520. Its totient is φ = 15276522560.
The previous prime is 25688054033. The next prime is 25688054099. The reversal of 25688054073 is 37045088652.
It is a cyclic number.
It is not a de Polignac number, because 25688054073 - 26 = 25688054009 is a prime.
It is a super-2 number, since 2×256880540732 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (25688054033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072636 + ... + 1096322.
It is an arithmetic number, because the mean of its divisors is an integer number (1189611360).
Almost surely, 225688054073 is an apocalyptic number.
It is an amenable number.
25688054073 is a deficient number, since it is larger than the sum of its proper divisors (12379509447).
25688054073 is a wasteful number, since it uses less digits than its factorization.
25688054073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24317.
The product of its (nonzero) digits is 1612800, while the sum is 48.
The spelling of 25688054073 in words is "twenty-five billion, six hundred eighty-eight million, fifty-four thousand, seventy-three".
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