Search a number
-
+
30221232122 = 223679805721
BaseRepresentation
bin11100001001010100…
…110110011111111010
32220000011120122210102
4130021110312133322
5443343113411442
621514453515402
72116624143314
oct341124663772
986004518712
1030221232122
11118a9108aa4
125a35042b62
132b08174593
1416699967b4
15bbd279232
hex7095367fa

30221232122 has 16 divisors (see below), whose sum is σ = 48008814912. Its totient is φ = 14237905440.

The previous prime is 30221232101. The next prime is 30221232127. The reversal of 30221232122 is 22123212203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30221232094 and 30221232103.

It is not an unprimeable number, because it can be changed into a prime (30221232127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4899779 + ... + 4905942.

It is an arithmetic number, because the mean of its divisors is an integer number (3000550932).

Almost surely, 230221232122 is an apocalyptic number.

30221232122 is a deficient number, since it is larger than the sum of its proper divisors (17787582790).

30221232122 is a wasteful number, since it uses less digits than its factorization.

30221232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805813.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30221232122 its reverse (22123212203), we get a palindrome (52344444325).

The spelling of 30221232122 in words is "thirty billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 23 46 67 134 1541 3082 9805721 19611442 225531583 451063166 656983307 1313966614 15110616061 30221232122