Base | Representation |
---|---|
bin | 10111010111001100… |
… | …000111110101100100 |
3 | 2101202020001220200001 |
4 | 113113030013311210 |
5 | 402333242200443 |
6 | 15305101031044 |
7 | 1545426652150 |
oct | 272714076544 |
9 | 71666056601 |
10 | 25085115748 |
11 | a702991820 |
12 | 4a40b55484 |
13 | 249a068274 |
14 | 12dd7c2060 |
15 | 9bc3d6d4d |
hex | 5d7307d64 |
25085115748 has 48 divisors (see below), whose sum is σ = 57950653824. Its totient is φ = 9198512640.
The previous prime is 25085115721. The next prime is 25085115751. The reversal of 25085115748 is 84751158052.
It is a junction number, because it is equal to n+sod(n) for n = 25085115698 and 25085115707.
It is an unprimeable number.
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, 2390211 + ... + 2400682.
It is an arithmetic number, because the mean of its divisors is an integer number (1207305288).
Almost surely, 225085115748 is an apocalyptic number.
25085115748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25085115748 is an abundant number, since it is smaller than the sum of its proper divisors (32865538076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25085115748 is a wasteful number, since it uses less digits than its factorization.
25085115748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4790932 (or 4790930 counting only the distinct ones).
The product of its (nonzero) digits is 448000, while the sum is 46.
The spelling of 25085115748 in words is "twenty-five billion, eighty-five million, one hundred fifteen thousand, seven hundred forty-eight".
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