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12713813193 = 34237937731
BaseRepresentation
bin10111101011100110…
…10110010011001001
31012211001021121222010
423311303112103021
5202014214010233
65501325050133
7630026425524
oct136563262311
935731247863
1012713813193
115434686034
1225699b6949
131277ccc2b3
1488874dbbb
154e6270b63
hex2f5cd64c9

12713813193 has 4 divisors (see below), whose sum is σ = 16951750928. Its totient is φ = 8475875460.

The previous prime is 12713813191. The next prime is 12713813207. The reversal of 12713813193 is 39131831721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12713813193 - 21 = 12713813191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12713813191) 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, 2118968863 + ... + 2118968868.

It is an arithmetic number, because the mean of its divisors is an integer number (4237937732).

Almost surely, 212713813193 is an apocalyptic number.

It is an amenable number.

12713813193 is a deficient number, since it is larger than the sum of its proper divisors (4237937735).

12713813193 is an equidigital number, since it uses as much as digits as its factorization.

12713813193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237937734.

The product of its digits is 27216, while the sum is 39.

The spelling of 12713813193 in words is "twelve billion, seven hundred thirteen million, eight hundred thirteen thousand, one hundred ninety-three".

Divisors: 1 3 4237937731 12713813193