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13039988306399 = 19686315174021
BaseRepresentation
bin1011110111000001101111…
…0111101111000111011111
31201011121111012112222011122
42331300123313233013133
53202121344001301044
643422253220441155
72514052031530145
oct275603367570737
951147435488148
1013039988306399
1141782564a11aa
1215672a18491bb
137378864a5292
143311d2c2b595
1517930010ddee
hexbdc1bdef1df

13039988306399 has 4 divisors (see below), whose sum is σ = 13726303480440. Its totient is φ = 12353673132360.

The previous prime is 13039988306369. The next prime is 13039988306453. The reversal of 13039988306399 is 99360388993031.

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 13039988306399 - 216 = 13039988240863 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 (13039988306369) 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, 343157586992 + ... + 343157587029.

It is an arithmetic number, because the mean of its divisors is an integer number (3431575870110).

Almost surely, 213039988306399 is an apocalyptic number.

13039988306399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13039988306399 is a deficient number, since it is larger than the sum of its proper divisors (686315174041).

13039988306399 is an equidigital number, since it uses as much as digits as its factorization.

13039988306399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686315174040.

The product of its (nonzero) digits is 204073344, while the sum is 71.

The spelling of 13039988306399 in words is "thirteen trillion, thirty-nine billion, nine hundred eighty-eight million, three hundred six thousand, three hundred ninety-nine".

Divisors: 1 19 686315174021 13039988306399