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12793211147 = 107119562721
BaseRepresentation
bin10111110101000100…
…01110100100001011
31020000120200110111002
423322202032210023
5202200030224042
65513242525215
7632012333453
oct137242164413
936016613432
1012793211147
115475485982
12259050680b
13128b5ab632
148950dad63
154ed206132
hex2fa88e90b

12793211147 has 4 divisors (see below), whose sum is σ = 12912773976. Its totient is φ = 12673648320.

The previous prime is 12793211089. The next prime is 12793211159. The reversal of 12793211147 is 74111239721.

12793211147 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 12793211147 - 210 = 12793210123 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 12793211147.

It is not an unprimeable number, because it can be changed into a prime (12793211047) 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, 59781254 + ... + 59781467.

It is an arithmetic number, because the mean of its divisors is an integer number (3228193494).

Almost surely, 212793211147 is an apocalyptic number.

12793211147 is a deficient number, since it is larger than the sum of its proper divisors (119562829).

12793211147 is a wasteful number, since it uses less digits than its factorization.

12793211147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119562828.

The product of its digits is 21168, while the sum is 38.

The spelling of 12793211147 in words is "twelve billion, seven hundred ninety-three million, two hundred eleven thousand, one hundred forty-seven".

Divisors: 1 107 119562721 12793211147