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68956000783 is a prime number
BaseRepresentation
bin100000000111000011…
…0010001001000001111
320120222122212210011221
41000032012101020033
52112210214011113
651402234224211
74660536223105
oct1001606211017
9216878783157
1068956000783
1127275956aaa
1211445285067
13666c073537
1434a20d3c75
151bd8b3c98d
hex100e19120f

68956000783 has 2 divisors, whose sum is σ = 68956000784. Its totient is φ = 68956000782.

The previous prime is 68956000777. The next prime is 68956000829. The reversal of 68956000783 is 38700065986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68956000783 - 233 = 60366066191 is a prime.

It is a super-2 number, since 2×689560007832 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68956000783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68956000723) 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, 34478000391 + 34478000392.

It is an arithmetic number, because the mean of its divisors is an integer number (34478000392).

Almost surely, 268956000783 is an apocalyptic number.

68956000783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68956000783 is an equidigital number, since it uses as much as digits as its factorization.

68956000783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 68956000783 in words is "sixty-eight billion, nine hundred fifty-six million, seven hundred eighty-three", and thus it is an aban number.