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6138574879 is a prime number
BaseRepresentation
bin1011011011110001…
…10011100000011111
3120211210210220200011
411231320303200133
5100032433344004
62453042544051
7305056011523
oct55570634037
916753726604
106138574879
11267007a188
121233968027
1376a9c7538
144233a1d83
1525ddac004
hex16de3381f

6138574879 has 2 divisors, whose sum is σ = 6138574880. Its totient is φ = 6138574878.

The previous prime is 6138574837. The next prime is 6138574901. The reversal of 6138574879 is 9784758316.

6138574879 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 a cyclic number.

It is not a de Polignac number, because 6138574879 - 211 = 6138572831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6138574279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069287439 + 3069287440.

It is an arithmetic number, because the mean of its divisors is an integer number (3069287440).

Almost surely, 26138574879 is an apocalyptic number.

6138574879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138574879 is an equidigital number, since it uses as much as digits as its factorization.

6138574879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 58.

The square root of 6138574879 is about 78349.0579330728. The cubic root of 6138574879 is about 1831.0035483253.

The spelling of 6138574879 in words is "six billion, one hundred thirty-eight million, five hundred seventy-four thousand, eight hundred seventy-nine".