Base | Representation |
---|---|
bin | 10111110001101101… |
… | …01101001101110100 |
3 | 1012221121122110112220 |
4 | 23320312231031310 |
5 | 202120321301030 |
6 | 5510354442340 |
7 | 631220631510 |
oct | 137066551564 |
9 | 35847573486 |
10 | 12765025140 |
11 | 546058435a |
12 | 2582b933b0 |
13 | 12857c021a |
14 | 891481140 |
15 | 4ea9d9a10 |
hex | 2f8dad374 |
12765025140 has 96 divisors (see below), whose sum is σ = 41160075264. Its totient is φ = 2895434880.
The previous prime is 12765025081. The next prime is 12765025159. The reversal of 12765025140 is 4152056721.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60984 + ... + 171023.
It is an arithmetic number, because the mean of its divisors is an integer number (428750784).
Almost surely, 212765025140 is an apocalyptic number.
12765025140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12765025140 is an abundant number, since it is smaller than the sum of its proper divisors (28395050124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12765025140 is a wasteful number, since it uses less digits than its factorization.
12765025140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232157 (or 232155 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 33.
The spelling of 12765025140 in words is "twelve billion, seven hundred sixty-five million, twenty-five thousand, one hundred forty".
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