Search a number
-
+
2538506879 is a prime number
BaseRepresentation
bin1001011101001110…
…1000101001111111
320112220122111210022
42113103220221333
520144324210004
61055521002355
7116622644456
oct22723505177
96486574708
102538506879
111092a14877
125aa1833bb
13315bc249c
141a11d5b9d
15eccd52be
hex974e8a7f

2538506879 has 2 divisors, whose sum is σ = 2538506880. Its totient is φ = 2538506878.

The previous prime is 2538506869. The next prime is 2538506903. The reversal of 2538506879 is 9786058352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2538506879 - 212 = 2538502783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2538506879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538506869) 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, 1269253439 + 1269253440.

It is an arithmetic number, because the mean of its divisors is an integer number (1269253440).

Almost surely, 22538506879 is an apocalyptic number.

2538506879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538506879 is an equidigital number, since it uses as much as digits as its factorization.

2538506879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 2538506879 is about 50383.5973209536. The cubic root of 2538506879 is about 1364.1415846398.

The spelling of 2538506879 in words is "two billion, five hundred thirty-eight million, five hundred six thousand, eight hundred seventy-nine".