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68715103 is a prime number
BaseRepresentation
bin1000001100010…
…00001001011111
311210022002101211
410012020021133
5120042340403
610452445251
71463032402
oct406101137
9153262354
1068715103
1135873746
121b019827
131130ba32
1491a9d39
15607506d
hex418825f

68715103 has 2 divisors, whose sum is σ = 68715104. Its totient is φ = 68715102.

The previous prime is 68715089. The next prime is 68715107. The reversal of 68715103 is 30151786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68715103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68715107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34357551 + 34357552.

It is an arithmetic number, because the mean of its divisors is an integer number (34357552).

Almost surely, 268715103 is an apocalyptic number.

68715103 is a deficient number, since it is larger than the sum of its proper divisors (1).

68715103 is an equidigital number, since it uses as much as digits as its factorization.

68715103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 68715103 is about 8289.4573405018. The cubic root of 68715103 is about 409.5913099829.

Adding to 68715103 its reverse (30151786), we get a palindrome (98866889).

The spelling of 68715103 in words is "sixty-eight million, seven hundred fifteen thousand, one hundred three".