Base | Representation |
---|---|
bin | 11100010110011111… |
… | …000011111001001000 |
3 | 2220120120000110011112 |
4 | 130112133003321020 |
5 | 444321123342412 |
6 | 21552421545452 |
7 | 2125244556152 |
oct | 342637037110 |
9 | 86516013145 |
10 | 30442012232 |
11 | 11a017a43a5 |
12 | 5a96b75288 |
13 | 2b41b260b8 |
14 | 168b027ad2 |
15 | bd283a722 |
hex | 7167c3e48 |
30442012232 has 16 divisors (see below), whose sum is σ = 57118078140. Its totient is φ = 15210524736.
The previous prime is 30442012199. The next prime is 30442012247. The reversal of 30442012232 is 23221024403.
It can be written as a sum of positive squares in 2 ways, for example, as 21604884196 + 8837128036 = 146986^2 + 94006^2 .
It is a super-3 number, since 3×304420122323 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 30442012198 and 30442012207.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297823 + ... + 1321070.
Almost surely, 230442012232 is an apocalyptic number.
It is an amenable number.
30442012232 is a deficient number, since it is larger than the sum of its proper divisors (26676065908).
30442012232 is a wasteful number, since it uses less digits than its factorization.
30442012232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2620352 (or 2620348 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30442012232 its reverse (23221024403), we get a palindrome (53663036635).
The spelling of 30442012232 in words is "thirty billion, four hundred forty-two million, twelve thousand, two hundred thirty-two".
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