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12041330491 is a prime number
BaseRepresentation
bin10110011011011100…
…00001111100111011
31011002011212222010101
423031232001330323
5144130040033431
65310503300231
7604252422541
oct131556017473
934064788111
1012041330491
11511a020903
12240074a677
13119b8a5b38
148232d9d91
154a71d6961
hex2cdb81f3b

12041330491 has 2 divisors, whose sum is σ = 12041330492. Its totient is φ = 12041330490.

The previous prime is 12041330449. The next prime is 12041330513. The reversal of 12041330491 is 19403314021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12041330491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12041334491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020665245 + 6020665246.

It is an arithmetic number, because the mean of its divisors is an integer number (6020665246).

Almost surely, 212041330491 is an apocalyptic number.

12041330491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041330491 is an equidigital number, since it uses as much as digits as its factorization.

12041330491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12041330491 in words is "twelve billion, forty-one million, three hundred thirty thousand, four hundred ninety-one".