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12712119663 = 34237373221
BaseRepresentation
bin10111101011011001…
…11000110101101111
31012210221002120212210
423311230320311233
5202013300312123
65501224501503
7630006143235
oct136554706557
935727076783
1012712119663
115433729721
12256931a893
1312778584c9
1488842c955
154e6038e93
hex2f5b38d6f

12712119663 has 4 divisors (see below), whose sum is σ = 16949492888. Its totient is φ = 8474746440.

The previous prime is 12712119647. The next prime is 12712119701. The reversal of 12712119663 is 36691121721.

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

It is not a de Polignac number, because 12712119663 - 24 = 12712119647 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 (12712114663) 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, 2118686608 + ... + 2118686613.

It is an arithmetic number, because the mean of its divisors is an integer number (4237373222).

Almost surely, 212712119663 is an apocalyptic number.

12712119663 is a deficient number, since it is larger than the sum of its proper divisors (4237373225).

12712119663 is an equidigital number, since it uses as much as digits as its factorization.

12712119663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237373224.

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

The spelling of 12712119663 in words is "twelve billion, seven hundred twelve million, one hundred nineteen thousand, six hundred sixty-three".

Divisors: 1 3 4237373221 12712119663