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12345713213 = 76871160603
BaseRepresentation
bin10110111111101110…
…01010001000111101
31011212101122012201112
423133313022020331
5200241000310323
65401015251405
7614636554661
oct133767121075
934771565645
1012345713213
115265919079
122486679b65
131219979762
148518d08a1
154c3cae178
hex2dfdca23d

12345713213 has 4 divisors (see below), whose sum is σ = 12345950688. Its totient is φ = 12345475740.

The previous prime is 12345713183. The next prime is 12345713251. The reversal of 12345713213 is 31231754321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31231754321 = 54757096443.

It is a cyclic number.

It is not a de Polignac number, because 12345713213 - 214 = 12345696829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12345713213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345713113) 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, 3431 + ... + 157172.

It is an arithmetic number, because the mean of its divisors is an integer number (3086487672).

Almost surely, 212345713213 is an apocalyptic number.

It is an amenable number.

12345713213 is a deficient number, since it is larger than the sum of its proper divisors (237475).

12345713213 is an equidigital number, since it uses as much as digits as its factorization.

12345713213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237474.

The product of its digits is 15120, while the sum is 32.

The spelling of 12345713213 in words is "twelve billion, three hundred forty-five million, seven hundred thirteen thousand, two hundred thirteen".

Divisors: 1 76871 160603 12345713213