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8239379903137 = 63047313068569
BaseRepresentation
bin111011111100110000101…
…0011111111001010100001
31002011200021112220102212201
41313321201103333022201
52034443222223400022
625305041402053201
71510163341423405
oct167714123771241
932150245812781
108239379903137
112697335178529
12b10a1b7aa201
13479c7c681766
14206b06833105
15e44d2734127
hex77e614ff2a1

8239379903137 has 4 divisors (see below), whose sum is σ = 8239393602180. Its totient is φ = 8239366204096.

The previous prime is 8239379903119. The next prime is 8239379903231. The reversal of 8239379903137 is 7313099739328.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2460760079761 + 5778619823376 = 1568681^2 + 2403876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8239379903137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8239379903437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5903812 + ... + 7164757.

It is an arithmetic number, because the mean of its divisors is an integer number (2059848400545).

Almost surely, 28239379903137 is an apocalyptic number.

It is an amenable number.

8239379903137 is a deficient number, since it is larger than the sum of its proper divisors (13699043).

8239379903137 is a wasteful number, since it uses less digits than its factorization.

8239379903137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13699042.

The product of its (nonzero) digits is 46294416, while the sum is 64.

The spelling of 8239379903137 in words is "eight trillion, two hundred thirty-nine billion, three hundred seventy-nine million, nine hundred three thousand, one hundred thirty-seven".

Divisors: 1 630473 13068569 8239379903137