Base | Representation |
---|---|
bin | 11101011100010110… |
… | …00111000110011011 |
3 | 1111210121202100100110 |
4 | 32232023013012123 |
5 | 224333101101024 |
6 | 11132303535403 |
7 | 1066466465166 |
oct | 165613070633 |
9 | 44717670313 |
10 | 15807050139 |
11 | 6781738801 |
12 | 30918ba563 |
13 | 164bac9c0a |
14 | a9d4a6add |
15 | 627ad0629 |
hex | 3ae2c719b |
15807050139 has 8 divisors (see below), whose sum is σ = 21372913152. Its totient is φ = 10389610280.
The previous prime is 15807050113. The next prime is 15807050153. The reversal of 15807050139 is 93105070851.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15807050139 - 28 = 15807049883 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 15807050097 and 15807050106.
It is not an unprimeable number, because it can be changed into a prime (15807050179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37105539 + ... + 37105964.
It is an arithmetic number, because the mean of its divisors is an integer number (2671614144).
Almost surely, 215807050139 is an apocalyptic number.
15807050139 is a deficient number, since it is larger than the sum of its proper divisors (5565863013).
15807050139 is an equidigital number, since it uses as much as digits as its factorization.
15807050139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74211577.
The product of its (nonzero) digits is 37800, while the sum is 39.
The spelling of 15807050139 in words is "fifteen billion, eight hundred seven million, fifty thousand, one hundred thirty-nine".
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