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12162601447 is a prime number
BaseRepresentation
bin10110101001111001…
…01001000111100111
31011101122002011121021
423110330221013213
5144402111221242
65330514432011
7610254256303
oct132474510747
934348064537
1012162601447
115181520537
122435292607
1311baa563b9
14835466d03
154b2b8db67
hex2d4f291e7

12162601447 has 2 divisors, whose sum is σ = 12162601448. Its totient is φ = 12162601446.

The previous prime is 12162601439. The next prime is 12162601459. The reversal of 12162601447 is 74410626121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12162601447 - 23 = 12162601439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12162601487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081300723 + 6081300724.

It is an arithmetic number, because the mean of its divisors is an integer number (6081300724).

Almost surely, 212162601447 is an apocalyptic number.

12162601447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162601447 is an equidigital number, since it uses as much as digits as its factorization.

12162601447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 12162601447 in words is "twelve billion, one hundred sixty-two million, six hundred one thousand, four hundred forty-seven".