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12717270743 = 75731679291
BaseRepresentation
bin10111101100000001…
…00010011011010111
31012211021210021211112
423312000202123113
5202021110130433
65501531125235
7630101006042
oct136600423327
935737707745
1012717270743
115436627811
12256aba381b
13127893cc98
14888dadc59
154e6705348
hex2f60226d7

12717270743 has 4 divisors (see below), whose sum is σ = 12718957608. Its totient is φ = 12715583880.

The previous prime is 12717270739. The next prime is 12717270749. The reversal of 12717270743 is 34707271721.

12717270743 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.

It is a cyclic number.

It is not a de Polignac number, because 12717270743 - 22 = 12717270739 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 12717270743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717270749) 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, 832073 + ... + 847218.

It is an arithmetic number, because the mean of its divisors is an integer number (3179739402).

Almost surely, 212717270743 is an apocalyptic number.

12717270743 is a deficient number, since it is larger than the sum of its proper divisors (1686865).

12717270743 is an equidigital number, since it uses as much as digits as its factorization.

12717270743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686864.

The product of its (nonzero) digits is 115248, while the sum is 41.

The spelling of 12717270743 in words is "twelve billion, seven hundred seventeen million, two hundred seventy thousand, seven hundred forty-three".

Divisors: 1 7573 1679291 12717270743