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12919675871 is a prime number
BaseRepresentation
bin11000000100001001…
…01001101111011111
31020100101122112110202
430002010221233133
5202424414111441
65534001254115
7635106301334
oct140204515737
936311575422
1012919675871
11552a902783
12260693433b
1312ab859c2b
148a7c1a98b
1550938719b
hex302129bdf

12919675871 has 2 divisors, whose sum is σ = 12919675872. Its totient is φ = 12919675870.

The previous prime is 12919675807. The next prime is 12919675903. The reversal of 12919675871 is 17857691921.

It is a happy number.

12919675871 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 not a de Polignac number, because 12919675871 - 26 = 12919675807 is a prime.

It is a super-2 number, since 2×129196758712 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12919675471) 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, 6459837935 + 6459837936.

It is an arithmetic number, because the mean of its divisors is an integer number (6459837936).

Almost surely, 212919675871 is an apocalyptic number.

12919675871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12919675871 is an equidigital number, since it uses as much as digits as its factorization.

12919675871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 56.

The spelling of 12919675871 in words is "twelve billion, nine hundred nineteen million, six hundred seventy-five thousand, eight hundred seventy-one".