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12133988989 is a prime number
BaseRepresentation
bin10110100110011110…
…11111101001111101
31011022122020111200121
423103033133221331
5144322300121424
65324013254541
7606456130123
oct132317375175
934278214617
1012133988989
115167358581
122427794451
1311b4b48b55
14831739913
154b03daee4
hex2d33dfa7d

12133988989 has 2 divisors, whose sum is σ = 12133988990. Its totient is φ = 12133988988.

The previous prime is 12133988983. The next prime is 12133989011. The reversal of 12133988989 is 98988933121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11022900100 + 1111088889 = 104990^2 + 33333^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133988989 - 215 = 12133956221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133988983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066994494 + 6066994495.

It is an arithmetic number, because the mean of its divisors is an integer number (6066994495).

Almost surely, 212133988989 is an apocalyptic number.

It is an amenable number.

12133988989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133988989 is an equidigital number, since it uses as much as digits as its factorization.

12133988989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 61.

The spelling of 12133988989 in words is "twelve billion, one hundred thirty-three million, nine hundred eighty-eight thousand, nine hundred eighty-nine".