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9130482721 is a prime number
BaseRepresentation
bin10001000000011100…
…00001110000100001
3212120022121120122201
420200032001300201
5122144400421341
64110001533201
7442155552103
oct104016016041
925508546581
109130482721
113965a12898
121929944201
13b268076c9
1462889d573
153868a3331
hex220381c21

9130482721 has 2 divisors, whose sum is σ = 9130482722. Its totient is φ = 9130482720.

The previous prime is 9130482679. The next prime is 9130482733. The reversal of 9130482721 is 1272840319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8406872721 + 723610000 = 91689^2 + 26900^2 .

It is a cyclic number.

It is not a de Polignac number, because 9130482721 - 29 = 9130482209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9130482121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4565241360 + 4565241361.

It is an arithmetic number, because the mean of its divisors is an integer number (4565241361).

Almost surely, 29130482721 is an apocalyptic number.

It is an amenable number.

9130482721 is a deficient number, since it is larger than the sum of its proper divisors (1).

9130482721 is an equidigital number, since it uses as much as digits as its factorization.

9130482721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 9130482721 is about 95553.5594365799. The cubic root of 9130482721 is about 2090.0880376978.

The spelling of 9130482721 in words is "nine billion, one hundred thirty million, four hundred eighty-two thousand, seven hundred twenty-one".