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68696503 is a prime number
BaseRepresentation
bin1000001100000…
…11100110110111
311210021010212221
410012003212313
5120041242003
610452223211
71462624231
oct406034667
9153233787
1068696503
1135860777
121b00ab07
1311303425
1491a3251
15606e7bd
hex41839b7

68696503 has 2 divisors, whose sum is σ = 68696504. Its totient is φ = 68696502.

The previous prime is 68696501. The next prime is 68696521. The reversal of 68696503 is 30569686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68696503 - 21 = 68696501 is a prime.

Together with 68696501, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68696503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68696501) 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, 34348251 + 34348252.

It is an arithmetic number, because the mean of its divisors is an integer number (34348252).

Almost surely, 268696503 is an apocalyptic number.

68696503 is a deficient number, since it is larger than the sum of its proper divisors (1).

68696503 is an equidigital number, since it uses as much as digits as its factorization.

68696503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 68696503 is about 8288.3353575974. The cubic root of 68696503 is about 409.5543502001.

The spelling of 68696503 in words is "sixty-eight million, six hundred ninety-six thousand, five hundred three".