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68028637379 is a prime number
BaseRepresentation
bin111111010110110100…
…101010000011000011
320111121000212211202012
4333112310222003003
52103310312344004
651130225443135
74625545606523
oct772664520303
9214530784665
1068028637379
112693a43516a
12112267a04ab
136551bb8cb1
143414c93683
151b8250846e
hexfd6d2a0c3

68028637379 has 2 divisors, whose sum is σ = 68028637380. Its totient is φ = 68028637378.

The previous prime is 68028637373. The next prime is 68028637429. The reversal of 68028637379 is 97373682086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68028637379 - 216 = 68028571843 is a prime.

It is not a weakly prime, because it can be changed into another prime (68028637373) 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, 34014318689 + 34014318690.

It is an arithmetic number, because the mean of its divisors is an integer number (34014318690).

Almost surely, 268028637379 is an apocalyptic number.

68028637379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68028637379 is an equidigital number, since it uses as much as digits as its factorization.

68028637379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 68028637379 in words is "sixty-eight billion, twenty-eight million, six hundred thirty-seven thousand, three hundred seventy-nine".