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2281174081 is a prime number
BaseRepresentation
bin1000011111110111…
…1111010001000001
312212222102122112221
42013331333101001
514132440032311
61014205251041
7110346442204
oct20775772101
95788378487
102281174081
11a7073293a
12537b63a81
132a47b3264
14178d6b93b
15d5403671
hex87f7f441

2281174081 has 2 divisors, whose sum is σ = 2281174082. Its totient is φ = 2281174080.

The previous prime is 2281174073. The next prime is 2281174099. The reversal of 2281174081 is 1804711822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2189397681 + 91776400 = 46791^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281174081 - 23 = 2281174073 is a prime.

It is a super-2 number, since 2×22811740812 = 10407510375652389122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2281174001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140587040 + 1140587041.

It is an arithmetic number, because the mean of its divisors is an integer number (1140587041).

Almost surely, 22281174081 is an apocalyptic number.

It is an amenable number.

2281174081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281174081 is an equidigital number, since it uses as much as digits as its factorization.

2281174081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 2281174081 is about 47761.6381733290. The cubic root of 2281174081 is about 1316.3947537054.

The spelling of 2281174081 in words is "two billion, two hundred eighty-one million, one hundred seventy-four thousand, eighty-one".