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13147295839 = 73180099943
BaseRepresentation
bin11000011111010001…
…11101000001011111
31020221020221211100221
430033220331001133
5203411201431324
610012332102211
7643542112366
oct141750750137
936836854327
1013147295839
11563733aa57
12266b004967
131316a64ac2
148ca14c7dd
1551e34a0e4
hex30fa3d05f

13147295839 has 4 divisors (see below), whose sum is σ = 13327395856. Its totient is φ = 12967195824.

The previous prime is 13147295813. The next prime is 13147295929. The reversal of 13147295839 is 93859274131.

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 13147295839 - 221 = 13145198687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147295809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90049899 + ... + 90050044.

It is an arithmetic number, because the mean of its divisors is an integer number (3331848964).

Almost surely, 213147295839 is an apocalyptic number.

13147295839 is a deficient number, since it is larger than the sum of its proper divisors (180100017).

13147295839 is an equidigital number, since it uses as much as digits as its factorization.

13147295839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180100016.

The product of its digits is 1632960, while the sum is 52.

The spelling of 13147295839 in words is "thirteen billion, one hundred forty-seven million, two hundred ninety-five thousand, eight hundred thirty-nine".

Divisors: 1 73 180099943 13147295839