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12765368797 = 59216362183
BaseRepresentation
bin10111110001110000…
…00001000111011101
31012221122021220221221
423320320001013131
5202120413300142
65510410053341
7631223562436
oct137070010735
935848256857
1012765368797
115460799575
12258311a251
1312858b077c
1489153048d
154eaa56767
hex2f8e011dd

12765368797 has 4 divisors (see below), whose sum is σ = 12981731040. Its totient is φ = 12549006556.

The previous prime is 12765368773. The next prime is 12765368809. The reversal of 12765368797 is 79786356721.

12765368797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 12765368797 - 231 = 10617885149 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 (12765308797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108181033 + ... + 108181150.

It is an arithmetic number, because the mean of its divisors is an integer number (3245432760).

Almost surely, 212765368797 is an apocalyptic number.

It is an amenable number.

12765368797 is a deficient number, since it is larger than the sum of its proper divisors (216362243).

12765368797 is an equidigital number, since it uses as much as digits as its factorization.

12765368797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216362242.

The product of its digits is 26671680, while the sum is 61.

The spelling of 12765368797 in words is "twelve billion, seven hundred sixty-five million, three hundred sixty-eight thousand, seven hundred ninety-seven".

Divisors: 1 59 216362183 12765368797