Base | Representation |
---|---|
bin | 10111110000001100… |
… | …100001001101000000 |
3 | 2102211110111110112110 |
4 | 113300030201031000 |
5 | 404213142300143 |
6 | 15414445055320 |
7 | 1562012643213 |
oct | 276014411500 |
9 | 72743443473 |
10 | 25504650048 |
11 | a8a878a089 |
12 | 4b39557540 |
13 | 2535c59007 |
14 | 133d3cd77a |
15 | 9e4158533 |
hex | 5f0321340 |
25504650048 has 56 divisors (see below), whose sum is σ = 67522620352. Its totient is φ = 8496313344.
The previous prime is 25504650043. The next prime is 25504650091. The reversal of 25504650048 is 84005640552.
It is a junction number, because it is equal to n+sod(n) for n = 25504649988 and 25504650015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25504650043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278061 + ... + 358227.
Almost surely, 225504650048 is an apocalyptic number.
It is an amenable number.
25504650048 is an abundant number, since it is smaller than the sum of its proper divisors (42017970304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25504650048 is a wasteful number, since it uses less digits than its factorization.
25504650048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81839 (or 81829 counting only the distinct ones).
The product of its (nonzero) digits is 192000, while the sum is 39.
The spelling of 25504650048 in words is "twenty-five billion, five hundred four million, six hundred fifty thousand, forty-eight".
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