Base | Representation |
---|---|
bin | 10111010010100000… |
… | …111011110010111000 |
3 | 2101112202111020102011 |
4 | 113102200323302320 |
5 | 402203202412433 |
6 | 15253220015304 |
7 | 1543455214150 |
oct | 272240736270 |
9 | 71482436364 |
10 | 25006685368 |
11 | a672692925 |
12 | 4a1a831534 |
13 | 2486a37462 |
14 | 12d3207760 |
15 | 9b55933cd |
hex | 5d283bcb8 |
25006685368 has 64 divisors (see below), whose sum is σ = 54120211200. Its totient is φ = 10610645760.
The previous prime is 25006685323. The next prime is 25006685369. The reversal of 25006685368 is 86358660052.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25006685369) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348823 + ... + 3356281.
It is an arithmetic number, because the mean of its divisors is an integer number (845628300).
Almost surely, 225006685368 is an apocalyptic number.
25006685368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25006685368 is an abundant number, since it is smaller than the sum of its proper divisors (29113525832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25006685368 is a wasteful number, since it uses less digits than its factorization.
25006685368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8060 (or 8056 counting only the distinct ones).
The product of its (nonzero) digits is 2073600, while the sum is 49.
The spelling of 25006685368 in words is "twenty-five billion, six million, six hundred eighty-five thousand, three hundred sixty-eight".
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