Base | Representation |
---|---|
bin | 11000110101001101… |
… | …11111110001110100 |
3 | 1021102002020211210220 |
4 | 30122212333301310 |
5 | 204300310112322 |
6 | 10042504414340 |
7 | 651235311522 |
oct | 143246776164 |
9 | 37362224726 |
10 | 13331332212 |
11 | 572120a230 |
12 | 27007773b0 |
13 | 1345c1cc73 |
14 | 906777312 |
15 | 53059e55c |
hex | 31a9bfc74 |
13331332212 has 48 divisors (see below), whose sum is σ = 34851456192. Its totient is φ = 3930612480.
The previous prime is 13331332207. The next prime is 13331332213. The reversal of 13331332212 is 21223313331.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13331332213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359913 + ... + 1369680.
It is an arithmetic number, because the mean of its divisors is an integer number (726072004).
Almost surely, 213331332212 is an apocalyptic number.
13331332212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13331332212 is an abundant number, since it is smaller than the sum of its proper divisors (21520123980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13331332212 is a wasteful number, since it uses less digits than its factorization.
13331332212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2729648 (or 2729646 counting only the distinct ones).
The product of its digits is 1944, while the sum is 24.
Adding to 13331332212 its reverse (21223313331), we get a palindrome (34554645543).
It can be divided in two parts, 13331 and 332212, that added together give a palindrome (345543).
The spelling of 13331332212 in words is "thirteen billion, three hundred thirty-one million, three hundred thirty-two thousand, two hundred twelve".
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