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9123824137 is a prime number
BaseRepresentation
bin10000111111101001…
…01000001000001001
3212112212002021210111
420133310220020021
5122141144333022
64105203114321
7442045140241
oct103764501011
925485067714
109123824137
11396218512a
1219276729a1
13b25315a0c
14627a48b21
15385eda477
hex21fd28209

9123824137 has 2 divisors, whose sum is σ = 9123824138. Its totient is φ = 9123824136.

The previous prime is 9123824119. The next prime is 9123824173. The reversal of 9123824137 is 7314283219.

Together with next prime (9123824173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4714332921 + 4409491216 = 68661^2 + 66404^2 .

It is an emirp because it is prime and its reverse (7314283219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9123824137 - 223 = 9115435529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9123824137.

It is not a weakly prime, because it can be changed into another prime (9123828137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561912068 + 4561912069.

It is an arithmetic number, because the mean of its divisors is an integer number (4561912069).

Almost surely, 29123824137 is an apocalyptic number.

It is an amenable number.

9123824137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9123824137 is an equidigital number, since it uses as much as digits as its factorization.

9123824137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 9123824137 is about 95518.7109261845. The cubic root of 9123824137 is about 2089.5798348768.

The spelling of 9123824137 in words is "nine billion, one hundred twenty-three million, eight hundred twenty-four thousand, one hundred thirty-seven".