Base | Representation |
---|---|
bin | 10111101000011010… |
… | …001011001100001000 |
3 | 2102111100200101001110 |
4 | 113220122023030020 |
5 | 403431221342133 |
6 | 15353501050320 |
7 | 1555535354601 |
oct | 275032131410 |
9 | 72440611043 |
10 | 25374012168 |
11 | a840a7199a |
12 | 4b018569a0 |
13 | 2514b790ab |
14 | 1329d04da8 |
15 | 9d7950c63 |
hex | 5e868b308 |
25374012168 has 32 divisors (see below), whose sum is σ = 63473412960. Its totient is φ = 8452886400.
The previous prime is 25374012161. The next prime is 25374012187. The reversal of 25374012168 is 86121047352.
It is not an unprimeable number, because it can be changed into a prime (25374012161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279258 + ... + 358793.
It is an arithmetic number, because the mean of its divisors is an integer number (1983544155).
Almost surely, 225374012168 is an apocalyptic number.
It is an amenable number.
25374012168 is an abundant number, since it is smaller than the sum of its proper divisors (38099400792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25374012168 is a wasteful number, since it uses less digits than its factorization.
25374012168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 639717 (or 639713 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 25374012168 in words is "twenty-five billion, three hundred seventy-four million, twelve thousand, one hundred sixty-eight".
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