Base | Representation |
---|---|
bin | 11000000110010100… |
… | …110101011011001100 |
3 | 2110210100010101012121 |
4 | 120012110311123030 |
5 | 410443214210110 |
6 | 15515350542324 |
7 | 1604141523412 |
oct | 300624653314 |
9 | 73710111177 |
10 | 25875928780 |
11 | aa79318309 |
12 | 50219679a4 |
13 | 2594b52680 |
14 | 13768392b2 |
15 | a16a46cda |
hex | 6065356cc |
25875928780 has 48 divisors (see below), whose sum is σ = 60407149824. Its totient is φ = 9245986560.
The previous prime is 25875928777. The next prime is 25875928801. The reversal of 25875928780 is 8782957852.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597147 + ... + 1613266.
It is an arithmetic number, because the mean of its divisors is an integer number (1258482288).
Almost surely, 225875928780 is an apocalyptic number.
25875928780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25875928780 is an abundant number, since it is smaller than the sum of its proper divisors (34531221044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25875928780 is a wasteful number, since it uses less digits than its factorization.
25875928780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3210466 (or 3210464 counting only the distinct ones).
The product of its (nonzero) digits is 22579200, while the sum is 61.
The spelling of 25875928780 in words is "twenty-five billion, eight hundred seventy-five million, nine hundred twenty-eight thousand, seven hundred eighty".
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