Base | Representation |
---|---|
bin | 11100001111111100… |
… | …001111001001101100 |
3 | 2220021220102102120000 |
4 | 130033330033021230 |
5 | 444110022020022 |
6 | 21533500424300 |
7 | 2122442421213 |
oct | 341774171154 |
9 | 86256372500 |
10 | 30332220012 |
11 | 11955824926 |
12 | 5a66248090 |
13 | 2b251644a3 |
14 | 167a60807a |
15 | bc7d9e6ac |
hex | 70ff0f26c |
30332220012 has 60 divisors (see below), whose sum is σ = 83958807240. Its totient is φ = 9515988864.
The previous prime is 30332220011. The next prime is 30332220031. The reversal of 30332220012 is 21002223303.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30332220011) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2747962 + ... + 2758977.
It is an arithmetic number, because the mean of its divisors is an integer number (1399313454).
Almost surely, 230332220012 is an apocalyptic number.
It is an amenable number.
30332220012 is an abundant number, since it is smaller than the sum of its proper divisors (53626587228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30332220012 is a wasteful number, since it uses less digits than its factorization.
30332220012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5506972 (or 5506961 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30332220012 its reverse (21002223303), we get a palindrome (51334443315).
The spelling of 30332220012 in words is "thirty billion, three hundred thirty-two million, two hundred twenty thousand, twelve".
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