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12641444107 is a prime number
BaseRepresentation
bin10111100010111110…
…10010000100001011
31012122000002220020121
423301133102010023
5201342202202412
65450222004111
7625160334115
oct136137220413
935560086217
1012641444107
1153a7847076
122549716637
131266011356
1487ccb23b5
154dec28107
hex2f17d210b

12641444107 has 2 divisors, whose sum is σ = 12641444108. Its totient is φ = 12641444106.

The previous prime is 12641444003. The next prime is 12641444117. The reversal of 12641444107 is 70144414621.

12641444107 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12641444107 is a prime.

It is a super-2 number, since 2×126414441072 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12641444117) 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, 6320722053 + 6320722054.

It is an arithmetic number, because the mean of its divisors is an integer number (6320722054).

Almost surely, 212641444107 is an apocalyptic number.

12641444107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641444107 is an equidigital number, since it uses as much as digits as its factorization.

12641444107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 12641444107 its reverse (70144414621), we get a palindrome (82785858728).

The spelling of 12641444107 in words is "twelve billion, six hundred forty-one million, four hundred forty-four thousand, one hundred seven".