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9056000081 is a prime number
BaseRepresentation
bin10000110111100011…
…11001100001010001
3212101010110110200102
420123301321201101
5122021314000311
64054341302145
7440262505412
oct103361714121
925333413612
109056000081
11392796a997
121908a04955
13b1425973b
1461ca31809
1538008e43b
hex21bc79851

9056000081 has 2 divisors, whose sum is σ = 9056000082. Its totient is φ = 9056000080.

The previous prime is 9056000071. The next prime is 9056000089. The reversal of 9056000081 is 1800006509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6364050625 + 2691949456 = 79775^2 + 51884^2 .

It is a cyclic number.

It is not a de Polignac number, because 9056000081 - 214 = 9055983697 is a prime.

It is a super-2 number, since 2×90560000812 (a number of 21 digits) 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 (9056000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4528000040 + 4528000041.

It is an arithmetic number, because the mean of its divisors is an integer number (4528000041).

Almost surely, 29056000081 is an apocalyptic number.

It is an amenable number.

9056000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9056000081 is an equidigital number, since it uses as much as digits as its factorization.

9056000081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 9056000081 is about 95163.0184525480. The cubic root of 9056000081 is about 2084.3891599298.

The spelling of 9056000081 in words is "nine billion, fifty-six million, eighty-one", and thus it is an aban number and an uban number.