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12173444383 is a prime number
BaseRepresentation
bin10110101011001100…
…00000010100011111
31011102101111001022111
423111212000110133
5144412400210013
65331543054451
7610445366332
oct132546002437
934371431274
1012173444383
115187656a41
122438a41427
1311c0081839
14836a8a619
154b3ad173d
hex2d598051f

12173444383 has 2 divisors, whose sum is σ = 12173444384. Its totient is φ = 12173444382.

The previous prime is 12173444377. The next prime is 12173444441. The reversal of 12173444383 is 38344437121.

It is a weak prime.

It is an emirp because it is prime and its reverse (38344437121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12173444383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12173444323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086722191 + 6086722192.

It is an arithmetic number, because the mean of its divisors is an integer number (6086722192).

Almost surely, 212173444383 is an apocalyptic number.

12173444383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12173444383 is an equidigital number, since it uses as much as digits as its factorization.

12173444383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The spelling of 12173444383 in words is "twelve billion, one hundred seventy-three million, four hundred forty-four thousand, three hundred eighty-three".