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68733733 is a prime number
BaseRepresentation
bin1000001100011…
…00101100100101
311210100000221211
410012030230211
5120043434413
610453111421
71463140615
oct406145445
9153300854
1068733733
1135886742
121b028571
1311317363
1491b2a45
15607a83d
hex418cb25

68733733 has 2 divisors, whose sum is σ = 68733734. Its totient is φ = 68733732.

The previous prime is 68733701. The next prime is 68733767. The reversal of 68733733 is 33733786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61984129 + 6749604 = 7873^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 68733733 - 25 = 68733701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68733793) 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, 34366866 + 34366867.

It is an arithmetic number, because the mean of its divisors is an integer number (34366867).

Almost surely, 268733733 is an apocalyptic number.

It is an amenable number.

68733733 is a deficient number, since it is larger than the sum of its proper divisors (1).

68733733 is an equidigital number, since it uses as much as digits as its factorization.

68733733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 40.

The square root of 68733733 is about 8290.5809808481. The cubic root of 68733733 is about 409.6283226932.

The spelling of 68733733 in words is "sixty-eight million, seven hundred thirty-three thousand, seven hundred thirty-three".