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12183795919 is a prime number
BaseRepresentation
bin10110101100011010…
…11111100011001111
31011110002221221221201
423112031133203033
5144423022432134
65332553010331
7610632361621
oct132615374317
934402857851
1012183795919
115192487229
1224403b39a7
1311c22673c9
148381c2c11
154b4978914
hex2d635f8cf

12183795919 has 2 divisors, whose sum is σ = 12183795920. Its totient is φ = 12183795918.

The previous prime is 12183795917. The next prime is 12183795983. The reversal of 12183795919 is 91959738121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12183795919 - 21 = 12183795917 is a prime.

It is a super-2 number, since 2×121837959192 (a number of 21 digits) contains 22 as substring.

Together with 12183795917, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12183795919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12183795917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091897959 + 6091897960.

It is an arithmetic number, because the mean of its divisors is an integer number (6091897960).

Almost surely, 212183795919 is an apocalyptic number.

12183795919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12183795919 is an equidigital number, since it uses as much as digits as its factorization.

12183795919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 55.

The spelling of 12183795919 in words is "twelve billion, one hundred eighty-three million, seven hundred ninety-five thousand, nine hundred nineteen".