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68124853 is a prime number
BaseRepresentation
bin1000000111110…
…00000010110101
311202012002201201
410003320002311
5114414443403
610432052501
71455023506
oct403700265
9152162651
1068124853
1135500235
121a994131
1311163184
149094bad
155eaa21d
hex40f80b5

68124853 has 2 divisors, whose sum is σ = 68124854. Its totient is φ = 68124852.

The previous prime is 68124851. The next prime is 68124877. The reversal of 68124853 is 35842186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 2951524 = 8073^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 68124853 - 21 = 68124851 is a prime.

Together with 68124851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68124851) 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, 34062426 + 34062427.

It is an arithmetic number, because the mean of its divisors is an integer number (34062427).

Almost surely, 268124853 is an apocalyptic number.

It is an amenable number.

68124853 is a deficient number, since it is larger than the sum of its proper divisors (1).

68124853 is an equidigital number, since it uses as much as digits as its factorization.

68124853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 68124853 is about 8253.7781046016. The cubic root of 68124853 is about 408.4151647556.

The spelling of 68124853 in words is "sixty-eight million, one hundred twenty-four thousand, eight hundred fifty-three".