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68104783 is a prime number
BaseRepresentation
bin1000000111100…
…11001001001111
311202011002012101
410003303021033
5114413323113
610431415531
71454611135
oct403631117
9152132171
1068104783
113549714a
121a9845a7
1311156cb6
14908b755
155ea42dd
hex40f324f

68104783 has 2 divisors, whose sum is σ = 68104784. Its totient is φ = 68104782.

The previous prime is 68104741. The next prime is 68104787. The reversal of 68104783 is 38740186.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68104783 is a prime.

It is a super-2 number, since 2×681047832 = 9276522934954178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68104787) 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, 34052391 + 34052392.

It is an arithmetic number, because the mean of its divisors is an integer number (34052392).

Almost surely, 268104783 is an apocalyptic number.

68104783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68104783 is an equidigital number, since it uses as much as digits as its factorization.

68104783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68104783 is about 8252.5622081872. The cubic root of 68104783 is about 408.3750536112.

The spelling of 68104783 in words is "sixty-eight million, one hundred four thousand, seven hundred eighty-three".