Base | Representation |
---|---|
bin | 111111101111111… |
… | …1111111111111111 |
3 | 12112002002021202012 |
4 | 1333133333333333 |
5 | 13340102020124 |
6 | 552132121435 |
7 | 104003002454 |
oct | 17737777777 |
9 | 5462067665 |
10 | 2139095039 |
11 | 9a8510844 |
12 | 4b846627b |
13 | 281228813 |
14 | 16414582b |
15 | c7bdae0e |
hex | 7f7fffff |
2139095039 has 8 divisors (see below), whose sum is σ = 2168293920. Its totient is φ = 2110058496.
The previous prime is 2139095017. The next prime is 2139095053. The reversal of 2139095039 is 9305909312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2139095039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2139094987 and 2139095005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2139095239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13934 + ... + 66875.
It is an arithmetic number, because the mean of its divisors is an integer number (271036740).
Almost surely, 22139095039 is an apocalyptic number.
2139095039 is a deficient number, since it is larger than the sum of its proper divisors (29198881).
2139095039 is a wasteful number, since it uses less digits than its factorization.
2139095039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81169.
The product of its (nonzero) digits is 65610, while the sum is 41.
The square root of 2139095039 is about 46250.3517716352. The cubic root of 2139095039 is about 1288.4770680362.
The spelling of 2139095039 in words is "two billion, one hundred thirty-nine million, ninety-five thousand, thirty-nine".
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