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12763668947 is a prime number
BaseRepresentation
bin10111110001100011…
…00010000111010011
31012221112002120012112
423320301202013103
5202114444401242
65510305415535
7631203252551
oct137061420723
935845076175
1012763668947
11545a838437
12258263a5ab
131285436b43
1489120abd1
154ea81cc82
hex2f8c621d3

12763668947 has 2 divisors, whose sum is σ = 12763668948. Its totient is φ = 12763668946.

The previous prime is 12763668941. The next prime is 12763668971. The reversal of 12763668947 is 74986636721.

12763668947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (74986636721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12763668947 - 210 = 12763667923 is a prime.

It is a super-2 number, since 2×127636689472 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12763668941) 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, 6381834473 + 6381834474.

It is an arithmetic number, because the mean of its divisors is an integer number (6381834474).

Almost surely, 212763668947 is an apocalyptic number.

12763668947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12763668947 is an equidigital number, since it uses as much as digits as its factorization.

12763668947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 59.

The spelling of 12763668947 in words is "twelve billion, seven hundred sixty-three million, six hundred sixty-eight thousand, nine hundred forty-seven".