Search a number
-
+
12947654263 is a prime number
BaseRepresentation
bin11000000111011110…
…11000011001110111
31020102100021222121111
430003233120121313
5203004044414023
65540441055451
7635566150105
oct140357303167
936370258544
1012947654263
115544682315
122614187587
1312b45a49ab
148ab820c75
1550ba6200d
hex303bd8677

12947654263 has 2 divisors, whose sum is σ = 12947654264. Its totient is φ = 12947654262.

The previous prime is 12947654221. The next prime is 12947654303. The reversal of 12947654263 is 36245674921.

It is a strong prime.

It is an emirp because it is prime and its reverse (36245674921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12947654263 - 213 = 12947646071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12947655263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473827131 + 6473827132.

It is an arithmetic number, because the mean of its divisors is an integer number (6473827132).

Almost surely, 212947654263 is an apocalyptic number.

12947654263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12947654263 is an equidigital number, since it uses as much as digits as its factorization.

12947654263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The spelling of 12947654263 in words is "twelve billion, nine hundred forty-seven million, six hundred fifty-four thousand, two hundred sixty-three".