Search a number
-
+
30332020121 = 1327116715137
BaseRepresentation
bin11100001111111011…
…011110010110011001
32220021220001021100122
4130033323132112121
5444104444120441
621533452243025
72122440626354
oct341773362631
986256037318
1030332020121
11119556a8727
125a66170475
132b250c4500
14167a59529b
15bc7d6034b
hex70fede599

30332020121 has 24 divisors (see below), whose sum is σ = 33508992384. Its totient is φ = 27437329920.

The previous prime is 30332020051. The next prime is 30332020133. The reversal of 30332020121 is 12102023303.

It is not a de Polignac number, because 30332020121 - 218 = 30331757977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30332020121.

It is not an unprimeable number, because it can be changed into a prime (30332022121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1996265 + ... + 2011401.

It is an arithmetic number, because the mean of its divisors is an integer number (1396208016).

Almost surely, 230332020121 is an apocalyptic number.

It is an amenable number.

30332020121 is a deficient number, since it is larger than the sum of its proper divisors (3176972263).

30332020121 is a wasteful number, since it uses less digits than its factorization.

30332020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401 (or 15388 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30332020121 its reverse (12102023303), we get a palindrome (42434043424).

The spelling of 30332020121 in words is "thirty billion, three hundred thirty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 13 71 167 169 923 2171 11857 11999 15137 28223 154141 196781 1074727 2003833 2527879 2558153 13971451 32862427 179479409 181628863 427211551 2333232317 30332020121