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12545763847 is a prime number
BaseRepresentation
bin10111010111100100…
…10010101000000111
31012101100001211121021
423223302102220013
5201143203420342
65432523132011
7622616142661
oct135362225007
935340054537
1012545763847
115358836081
122521674007
13124c250b06
148702c7531
154d6628567
hex2ebc92a07

12545763847 has 2 divisors, whose sum is σ = 12545763848. Its totient is φ = 12545763846.

The previous prime is 12545763827. The next prime is 12545763851. The reversal of 12545763847 is 74836754521.

12545763847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (74836754521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12545763847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12545763794 and 12545763803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12545763817) 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 as a sum of consecutive naturals, namely, 6272881923 + 6272881924.

It is an arithmetic number, because the mean of its divisors is an integer number (6272881924).

Almost surely, 212545763847 is an apocalyptic number.

12545763847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12545763847 is an equidigital number, since it uses as much as digits as its factorization.

12545763847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 52.

The spelling of 12545763847 in words is "twelve billion, five hundred forty-five million, seven hundred sixty-three thousand, eight hundred forty-seven".