Search a number
-
+
112868690989 is a prime number
BaseRepresentation
bin110100100011101111…
…1111000110000101101
3101210100000100120121111
41221013133320300231
53322123341102424
6123503503432021
711103664021015
oct1510737706055
9353300316544
10112868690989
114395a48510a
1219a5b5b5611
13a849927bb2
14566a1a8c45
152e08da0194
hex1a477f8c2d

112868690989 has 2 divisors, whose sum is σ = 112868690990. Its totient is φ = 112868690988.

The previous prime is 112868690933. The next prime is 112868691007. The reversal of 112868690989 is 989096868211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79711922889 + 33156768100 = 282333^2 + 182090^2 .

It is a cyclic number.

It is not a de Polignac number, because 112868690989 - 27 = 112868690861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112868690929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56434345494 + 56434345495.

It is an arithmetic number, because the mean of its divisors is an integer number (56434345495).

Almost surely, 2112868690989 is an apocalyptic number.

It is an amenable number.

112868690989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112868690989 is an equidigital number, since it uses as much as digits as its factorization.

112868690989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 67.

The spelling of 112868690989 in words is "one hundred twelve billion, eight hundred sixty-eight million, six hundred ninety thousand, nine hundred eighty-nine".