Base | Representation |
---|---|
bin | 10111010100010110… |
… | …11100001011110000 |
3 | 1012022110100001010021 |
4 | 23222023130023300 |
5 | 201114303132120 |
6 | 5430121213224 |
7 | 622141030324 |
oct | 135213341360 |
9 | 35273301107 |
10 | 12518802160 |
11 | 53445a0397 |
12 | 2514631214 |
13 | 12467a0a57 |
14 | 86a8a9984 |
15 | 4d409eaaa |
hex | 2ea2dc2f0 |
12518802160 has 20 divisors (see below), whose sum is σ = 29106215208. Its totient is φ = 5007520832.
The previous prime is 12518802083. The next prime is 12518802161. The reversal of 12518802160 is 6120881521.
12518802160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12518802161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78242434 + ... + 78242593.
Almost surely, 212518802160 is an apocalyptic number.
12518802160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12518802160 is an abundant number, since it is smaller than the sum of its proper divisors (16587413048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12518802160 is a wasteful number, since it uses less digits than its factorization.
12518802160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156485040 (or 156485034 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 34.
The spelling of 12518802160 in words is "twelve billion, five hundred eighteen million, eight hundred two thousand, one hundred sixty".
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