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3139105807 is a prime number
BaseRepresentation
bin1011101100011010…
…1111010000001111
322002202210002122001
42323012233100033
522412102341212
61235253533131
7140534646655
oct27306572017
98082702561
103139105807
111370a41722
127373441a7
133b046a876
1421ac96dd5
151358c0657
hexbb1af40f

3139105807 has 2 divisors, whose sum is σ = 3139105808. Its totient is φ = 3139105806.

The previous prime is 3139105793. The next prime is 3139105817. The reversal of 3139105807 is 7085019313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3139105807 - 215 = 3139073039 is a prime.

It is a super-2 number, since 2×31391058072 = 19707970535082242498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139105817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569552903 + 1569552904.

It is an arithmetic number, because the mean of its divisors is an integer number (1569552904).

Almost surely, 23139105807 is an apocalyptic number.

3139105807 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139105807 is an equidigital number, since it uses as much as digits as its factorization.

3139105807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 3139105807 is about 56027.7235571819. The cubic root of 3139105807 is about 1464.2053344965.

The spelling of 3139105807 in words is "three billion, one hundred thirty-nine million, one hundred five thousand, eight hundred seven".