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5656060649 is a prime number
BaseRepresentation
bin1010100010010000…
…01010001011101001
3112121011212122120202
411101020022023221
543040422420044
62333125001545
7260106502511
oct52110121351
915534778522
105656060649
112442776098
12111a2532b5
136c1a55365
143b927c841
15231849c4e
hex15120a2e9

5656060649 has 2 divisors, whose sum is σ = 5656060650. Its totient is φ = 5656060648.

The previous prime is 5656060643. The next prime is 5656060661. The reversal of 5656060649 is 9460606565.

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., 4608373225 + 1047687424 = 67885^2 + 32368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5656060649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5656060643) 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, 2828030324 + 2828030325.

It is an arithmetic number, because the mean of its divisors is an integer number (2828030325).

Almost surely, 25656060649 is an apocalyptic number.

It is an amenable number.

5656060649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656060649 is an equidigital number, since it uses as much as digits as its factorization.

5656060649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 5656060649 is about 75206.7859238779. The cubic root of 5656060649 is about 1781.7141095535.

The spelling of 5656060649 in words is "five billion, six hundred fifty-six million, sixty thousand, six hundred forty-nine".