Base | Representation |
---|---|
bin | 10111001001110010… |
… | …10100010110001010 |
3 | 1012002021112211022210 |
4 | 23210321110112022 |
5 | 200424110243021 |
6 | 5413233325550 |
7 | 620013443142 |
oct | 134471242612 |
9 | 35067484283 |
10 | 12430165386 |
11 | 52a9560261 |
12 | 24aaa068b6 |
13 | 1231308462 |
14 | 85cbd5922 |
15 | 4cb3e1e76 |
hex | 2e4e5458a |
12430165386 has 32 divisors (see below), whose sum is σ = 25186203648. Its totient is φ = 4089415680.
The previous prime is 12430165381. The next prime is 12430165441. The reversal of 12430165386 is 68356103421.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12430165381) 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, 104806 + ... + 189326.
It is an arithmetic number, because the mean of its divisors is an integer number (787068864).
Almost surely, 212430165386 is an apocalyptic number.
12430165386 is an abundant number, since it is smaller than the sum of its proper divisors (12756038262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12430165386 is a wasteful number, since it uses less digits than its factorization.
12430165386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84846.
The product of its (nonzero) digits is 103680, while the sum is 39.
The spelling of 12430165386 in words is "twelve billion, four hundred thirty million, one hundred sixty-five thousand, three hundred eighty-six".
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