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9094819081 is a prime number
BaseRepresentation
bin10000111100001011…
…11110110100001001
3212110211111200100011
420132011332310021
5122111233202311
64102245311521
7441243454345
oct103605766411
925424450304
109094819081
113947874207
121919a055a1
13b1c2cb86a
14623c58625
153836ab321
hex21e17ed09

9094819081 has 2 divisors, whose sum is σ = 9094819082. Its totient is φ = 9094819080.

The previous prime is 9094819007. The next prime is 9094819127. The reversal of 9094819081 is 1809184909.

9094819081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6034959225 + 3059859856 = 77685^2 + 55316^2 .

It is a cyclic number.

It is not a de Polignac number, because 9094819081 - 231 = 6947335433 is a prime.

It is a super-2 number, since 2×90948190812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9094813081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4547409540 + 4547409541.

It is an arithmetic number, because the mean of its divisors is an integer number (4547409541).

Almost surely, 29094819081 is an apocalyptic number.

It is an amenable number.

9094819081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9094819081 is an equidigital number, since it uses as much as digits as its factorization.

9094819081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 9094819081 is about 95366.7608813469. The cubic root of 9094819081 is about 2087.3631941899.

The spelling of 9094819081 in words is "nine billion, ninety-four million, eight hundred nineteen thousand, eighty-one".