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BaseRepresentation
bin10000110001101001
310111020221
4100301221
54144323
61250041
7404221
oct206151
9114227
1068713
1147697
1233921
1325378
141b081
151555d
hex10c69

68713 has 2 divisors, whose sum is σ = 68714. Its totient is φ = 68712.

The previous prime is 68711. The next prime is 68729. The reversal of 68713 is 31786.

It can be divided in two parts, 68 and 713, that multiplied together give a palindrome (48484).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 12544 = 237^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 68713 - 21 = 68711 is a prime.

Together with 68711, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (68711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34356 + 34357.

It is an arithmetic number, because the mean of its divisors is an integer number (34357).

268713 is an apocalyptic number.

It is an amenable number.

68713 is a deficient number, since it is larger than the sum of its proper divisors (1).

68713 is an equidigital number, since it uses as much as digits as its factorization.

68713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 68713 is about 262.1316463154. The cubic root of 68713 is about 40.9587131477.

The spelling of 68713 in words is "sixty-eight thousand, seven hundred thirteen".