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2282128393 is a prime number
BaseRepresentation
bin1000100000000110…
…1000010000001001
312220001020010121211
42020001220100021
514133211102033
61014241533121
7110360525356
oct21001502011
95801203554
102282128393
11a71224926
125383441a1
132a4a5873c
1417913962d
15d55412cd
hex88068409

2282128393 has 2 divisors, whose sum is σ = 2282128394. Its totient is φ = 2282128392.

The previous prime is 2282128391. The next prime is 2282128397. The reversal of 2282128393 is 3938212822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2135548944 + 146579449 = 46212^2 + 12107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2282128393 - 21 = 2282128391 is a prime.

It is a super-2 number, since 2×22821283932 = 10416220004273524898, which contains 22 as substring.

Together with 2282128391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2282128391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141064196 + 1141064197.

It is an arithmetic number, because the mean of its divisors is an integer number (1141064197).

Almost surely, 22282128393 is an apocalyptic number.

It is an amenable number.

2282128393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2282128393 is an equidigital number, since it uses as much as digits as its factorization.

2282128393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 2282128393 is about 47771.6274895466. The cubic root of 2282128393 is about 1316.5782960576.

The spelling of 2282128393 in words is "two billion, two hundred eighty-two million, one hundred twenty-eight thousand, three hundred ninety-three".