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13102109139 = 37623909959
BaseRepresentation
bin11000011001111001…
…00101000111010011
31020211002221002212110
430030330211013103
5203313114443024
610004035400403
7642453042630
oct141474450723
936732832773
1013102109139
115613887579
122657a53103
13130a5a3502
148c4149187
1551a3c1629
hex30cf251d3

13102109139 has 8 divisors (see below), whose sum is σ = 19965118720. Its totient is φ = 7486919496.

The previous prime is 13102109123. The next prime is 13102109149. The reversal of 13102109139 is 93190120131.

It is a happy number.

13102109139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13102109139 - 24 = 13102109123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102109149) 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 7 ways as a sum of consecutive naturals, for example, 311954959 + ... + 311955000.

It is an arithmetic number, because the mean of its divisors is an integer number (2495639840).

Almost surely, 213102109139 is an apocalyptic number.

13102109139 is a deficient number, since it is larger than the sum of its proper divisors (6863009581).

13102109139 is an equidigital number, since it uses as much as digits as its factorization.

13102109139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623909969.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 13102109139 in words is "thirteen billion, one hundred two million, one hundred nine thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 623909959 1871729877 4367369713 13102109139