Base | Representation |
---|---|
bin | 10001110001100111… |
… | …110100100101000000 |
3 | 1211021010221001011212 |
4 | 101301213310211000 |
5 | 303042022233233 |
6 | 12433522025252 |
7 | 1243654313165 |
oct | 216147644500 |
9 | 54233831155 |
10 | 19086133568 |
11 | 8104696707 |
12 | 3847aa8228 |
13 | 1a52267878 |
14 | cd0b9a06c |
15 | 76a900a48 |
hex | 4719f4940 |
19086133568 has 28 divisors (see below), whose sum is σ = 39095793792. Its totient is φ = 9235224960.
The previous prime is 19086133567. The next prime is 19086133643. The reversal of 19086133568 is 86533168091.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19086133567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808030 + ... + 4811997.
Almost surely, 219086133568 is an apocalyptic number.
It is an amenable number.
19086133568 is an abundant number, since it is smaller than the sum of its proper divisors (20009660224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19086133568 is an equidigital number, since it uses as much as digits as its factorization.
19086133568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9620070 (or 9620060 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 50.
The spelling of 19086133568 in words is "nineteen billion, eighty-six million, one hundred thirty-three thousand, five hundred sixty-eight".
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