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2479127081 is a prime number
BaseRepresentation
bin1001001111000100…
…0111101000101001
320101202220201000112
42103301013220221
520034124031311
61050000144105
7115302142514
oct22361075051
96352821015
102479127081
111062447962
12592308035
13306801902
14197379d7b
15e79a628b
hex93c47a29

2479127081 has 2 divisors, whose sum is σ = 2479127082. Its totient is φ = 2479127080.

The previous prime is 2479127041. The next prime is 2479127111. The reversal of 2479127081 is 1807219742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2395221481 + 83905600 = 48941^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479127081 - 218 = 2478864937 is a prime.

It is a super-2 number, since 2×24791270812 = 12292142167495161122, which contains 22 as substring.

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 (2479127041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239563540 + 1239563541.

It is an arithmetic number, because the mean of its divisors is an integer number (1239563541).

Almost surely, 22479127081 is an apocalyptic number.

It is an amenable number.

2479127081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479127081 is an equidigital number, since it uses as much as digits as its factorization.

2479127081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2479127081 is about 49790.8333029284. The cubic root of 2479127081 is about 1353.4210592034.

The spelling of 2479127081 in words is "two billion, four hundred seventy-nine million, one hundred twenty-seven thousand, eighty-one".