Search a number
-
+
115233000121 is a prime number
BaseRepresentation
bin110101101010001101…
…1000000101010111001
3102000102210012221000101
41223110123000222321
53341444122000441
6124534243035401
711216403224401
oct1532433005271
9360383187011
10115233000121
114496302a5a8
121a3bb36bb61
13ab356c8495
1458121b7801
152ee6726231
hex1ad46c0ab9

115233000121 has 2 divisors, whose sum is σ = 115233000122. Its totient is φ = 115233000120.

The previous prime is 115233000089. The next prime is 115233000137. The reversal of 115233000121 is 121000332511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83749466025 + 31483534096 = 289395^2 + 177436^2 .

It is a cyclic number.

It is not a de Polignac number, because 115233000121 - 25 = 115233000089 is a prime.

It is not a weakly prime, because it can be changed into another prime (115233100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57616500060 + 57616500061.

It is an arithmetic number, because the mean of its divisors is an integer number (57616500061).

Almost surely, 2115233000121 is an apocalyptic number.

It is an amenable number.

115233000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115233000121 is an equidigital number, since it uses as much as digits as its factorization.

115233000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 115233000121 its reverse (121000332511), we get a palindrome (236233332632).

The spelling of 115233000121 in words is "one hundred fifteen billion, two hundred thirty-three million, one hundred twenty-one", and thus it is an aban number.