Base | Representation |
---|---|
bin | 10111111111111001… |
… | …011001000001001000 |
3 | 2110111211011122110220 |
4 | 113333321121001020 |
5 | 410233111234430 |
6 | 15500535110040 |
7 | 1601361664062 |
oct | 277771310110 |
9 | 73454148426 |
10 | 25768071240 |
11 | aa2344a34a |
12 | 4bb1812320 |
13 | 25786ba542 |
14 | 13663a0732 |
15 | a0c33e110 |
hex | 5ffe59048 |
25768071240 has 64 divisors (see below), whose sum is σ = 77318055360. Its totient is φ = 6870255360.
The previous prime is 25768071227. The next prime is 25768071269. The reversal of 25768071240 is 4217086752.
It is a junction number, because it is equal to n+sod(n) for n = 25768071192 and 25768071201.
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, 797887 + ... + 829553.
It is an arithmetic number, because the mean of its divisors is an integer number (1208094615).
Almost surely, 225768071240 is an apocalyptic number.
25768071240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25768071240 is an abundant number, since it is smaller than the sum of its proper divisors (51549984120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25768071240 is a wasteful number, since it uses less digits than its factorization.
25768071240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38462 (or 38458 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 42.
The spelling of 25768071240 in words is "twenty-five billion, seven hundred sixty-eight million, seventy-one thousand, two hundred forty".
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