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68118283 is a prime number
BaseRepresentation
bin1000000111101…
…10011100001011
311202011202201101
410003312130023
5114414241113
610432002231
71454665402
oct403663413
9152152641
1068118283
11354a6302
121a990377
131116019c
149092639
155ea82dd
hex40f670b

68118283 has 2 divisors, whose sum is σ = 68118284. Its totient is φ = 68118282.

The previous prime is 68118263. The next prime is 68118293. The reversal of 68118283 is 38281186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68118283 - 25 = 68118251 is a prime.

It is not a weakly prime, because it can be changed into another prime (68118223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34059141 + 34059142.

It is an arithmetic number, because the mean of its divisors is an integer number (34059142).

Almost surely, 268118283 is an apocalyptic number.

68118283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68118283 is an equidigital number, since it uses as much as digits as its factorization.

68118283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 68118283 is about 8253.3800954518. The cubic root of 68118283 is about 408.4020350691.

The spelling of 68118283 in words is "sixty-eight million, one hundred eighteen thousand, two hundred eighty-three".