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68347223767 is a prime number
BaseRepresentation
bin111111101001110011…
…111101111011010111
320112102020100201010001
4333221303331323113
52104433342130032
651222010112131
74636464550024
oct775163757327
9215366321101
1068347223767
1126a932538a9
12112b541b647
1365a2bc3954
14344530454b
151ba04893e7
hexfe9cfded7

68347223767 has 2 divisors, whose sum is σ = 68347223768. Its totient is φ = 68347223766.

The previous prime is 68347223701. The next prime is 68347223773. The reversal of 68347223767 is 76732274386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68347223767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68347323767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173611883 + 34173611884.

It is an arithmetic number, because the mean of its divisors is an integer number (34173611884).

Almost surely, 268347223767 is an apocalyptic number.

68347223767 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347223767 is an equidigital number, since it uses as much as digits as its factorization.

68347223767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 55.

The spelling of 68347223767 in words is "sixty-eight billion, three hundred forty-seven million, two hundred twenty-three thousand, seven hundred sixty-seven".