Search a number
-
+
115481836081 is a prime number
BaseRepresentation
bin110101110001101000…
…0001111101000110001
3102001002010110002210001
41223203100033220301
53343001322223311
6125015052310001
711225514260563
oct1534320175061
9361063402701
10115481836081
1144a80538757
121a46a772301
13ab751210b1
14583726d333
15300d4ca4c1
hex1ae340fa31

115481836081 has 2 divisors, whose sum is σ = 115481836082. Its totient is φ = 115481836080.

The previous prime is 115481836013. The next prime is 115481836199. The reversal of 115481836081 is 180638184511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113990640625 + 1491195456 = 337625^2 + 38616^2 .

It is a cyclic number.

It is not a de Polignac number, because 115481836081 - 215 = 115481803313 is a prime.

It is a super-2 number, since 2×1154818360812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115481836781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57740918040 + 57740918041.

It is an arithmetic number, because the mean of its divisors is an integer number (57740918041).

Almost surely, 2115481836081 is an apocalyptic number.

It is an amenable number.

115481836081 is a deficient number, since it is larger than the sum of its proper divisors (1).

115481836081 is an equidigital number, since it uses as much as digits as its factorization.

115481836081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 115481836081 in words is "one hundred fifteen billion, four hundred eighty-one million, eight hundred thirty-six thousand, eighty-one".