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11820079 is a prime number
BaseRepresentation
bin101101000101…
…110000101111
3211020112002201
4231011300233
511011220304
61101202331
7202316605
oct55056057
924215081
1011820079
116743667
123b603a7
1325ab13b
1417d9875
1510873a4
hexb45c2f

11820079 has 2 divisors, whose sum is σ = 11820080. Its totient is φ = 11820078.

The previous prime is 11820047. The next prime is 11820089. The reversal of 11820079 is 97002811.

11820079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (97002811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11820079 - 25 = 11820047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11820019) 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, 5910039 + 5910040.

It is an arithmetic number, because the mean of its divisors is an integer number (5910040).

Almost surely, 211820079 is an apocalyptic number.

11820079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11820079 is an equidigital number, since it uses as much as digits as its factorization.

11820079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 11820079 is about 3438.0341766771. The cubic root of 11820079 is about 227.7928700071.

The spelling of 11820079 in words is "eleven million, eight hundred twenty thousand, seventy-nine".