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616115005139 is a prime number
BaseRepresentation
bin10001111011100110101…
…00001110011011010011
32011220022010002010200102
420331303110032123103
540043300420131024
61151012254443015
762340622064204
oct10756324163323
92156263063612
10616115005139
11218324949467
129b4a780346b
134613a4abcca
1421b6a5d15ab
151105e9ce1ae
hex8f7350e6d3

616115005139 has 2 divisors, whose sum is σ = 616115005140. Its totient is φ = 616115005138.

The previous prime is 616115005111. The next prime is 616115005153. The reversal of 616115005139 is 931500511616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616115005139 - 228 = 615846569683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (616115005169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308057502569 + 308057502570.

It is an arithmetic number, because the mean of its divisors is an integer number (308057502570).

Almost surely, 2616115005139 is an apocalyptic number.

616115005139 is a deficient number, since it is larger than the sum of its proper divisors (1).

616115005139 is an equidigital number, since it uses as much as digits as its factorization.

616115005139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 616115005139 in words is "six hundred sixteen billion, one hundred fifteen million, five thousand, one hundred thirty-nine".