Base | Representation |
---|---|
bin | 111111110000111… |
… | …1000001100100011 |
3 | 12112010000022002102 |
4 | 1333201320030203 |
5 | 13340213243423 |
6 | 552150441015 |
7 | 104010123014 |
oct | 17741701443 |
9 | 5463008072 |
10 | 2139587363 |
11 | 9a8817721 |
12 | 4b866316b |
13 | 28136b934 |
14 | 16423300b |
15 | c7c86c28 |
hex | 7f878323 |
2139587363 has 4 divisors (see below), whose sum is σ = 2165365608. Its totient is φ = 2113809120.
The previous prime is 2139587341. The next prime is 2139587381. The reversal of 2139587363 is 3637859312.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2139587363 - 222 = 2135393059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2139587393) 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, 12888998 + ... + 12889163.
It is an arithmetic number, because the mean of its divisors is an integer number (541341402).
Almost surely, 22139587363 is an apocalyptic number.
2139587363 is a deficient number, since it is larger than the sum of its proper divisors (25778245).
2139587363 is an equidigital number, since it uses as much as digits as its factorization.
2139587363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25778244.
The product of its digits is 816480, while the sum is 47.
The square root of 2139587363 is about 46255.6738465672. The cubic root of 2139587363 is about 1288.5759103834.
The spelling of 2139587363 in words is "two billion, one hundred thirty-nine million, five hundred eighty-seven thousand, three hundred sixty-three".
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