Base | Representation |
---|---|
bin | 10111111000010011… |
… | …001001001111101100 |
3 | 2110011221022200012011 |
4 | 113320103021033230 |
5 | 410002443322102 |
6 | 15440143051004 |
7 | 1565253354265 |
oct | 277023111754 |
9 | 73157280164 |
10 | 25640604652 |
11 | a9684a8863 |
12 | 4b76ba0a64 |
13 | 255817ac20 |
14 | 135349d96c |
15 | a010612d7 |
hex | 5f84c93ec |
25640604652 has 48 divisors (see below), whose sum is σ = 50888930400. Its totient is φ = 11206218240.
The previous prime is 25640604643. The next prime is 25640604659.
25640604652 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×256406046522 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (25640604659) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2929002 + ... + 2937742.
It is an arithmetic number, because the mean of its divisors is an integer number (1060186050).
Almost surely, 225640604652 is an apocalyptic number.
It is an amenable number.
25640604652 is a deficient number, since it is larger than the sum of its proper divisors (25248325748).
25640604652 is a wasteful number, since it uses less digits than its factorization.
25640604652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11746 (or 11744 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 40.
The spelling of 25640604652 in words is "twenty-five billion, six hundred forty million, six hundred four thousand, six hundred fifty-two".
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