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68092942507 is a prime number
BaseRepresentation
bin111111011010101001…
…111101100010101011
320111202111212212210121
4333122221331202223
52103423243130012
651140444024111
74630256314162
oct773251754253
9214674785717
1068092942507
11269727665a7
1211244232037
136562312675
14341d6323d9
151b87eaba07
hexfdaa7d8ab

68092942507 has 2 divisors, whose sum is σ = 68092942508. Its totient is φ = 68092942506.

The previous prime is 68092942493. The next prime is 68092942513. The reversal of 68092942507 is 70524929086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68092942507 - 223 = 68084553899 is a prime.

It is not a weakly prime, because it can be changed into another prime (68092942597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34046471253 + 34046471254.

It is an arithmetic number, because the mean of its divisors is an integer number (34046471254).

Almost surely, 268092942507 is an apocalyptic number.

68092942507 is a deficient number, since it is larger than the sum of its proper divisors (1).

68092942507 is an equidigital number, since it uses as much as digits as its factorization.

68092942507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 68092942507 in words is "sixty-eight billion, ninety-two million, nine hundred forty-two thousand, five hundred seven".