Base | Representation |
---|---|
bin | 10100111001100011… |
… | …01010101100010100 |
3 | 1001221221210020010211 |
4 | 22130301222230110 |
5 | 140434332401322 |
6 | 5053211455204 |
7 | 545022061654 |
oct | 123461525424 |
9 | 31857706124 |
10 | 11220200212 |
11 | 4838568541 |
12 | 2211757504 |
13 | 109a735230 |
14 | 786230364 |
15 | 45a088b77 |
hex | 29cc6ab14 |
11220200212 has 12 divisors (see below), whose sum is σ = 21145762036. Its totient is φ = 5178553920.
The previous prime is 11220200197. The next prime is 11220200213. The reversal of 11220200212 is 21200202211.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6477674256 + 4742525956 = 80484^2 + 68866^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 11220200192 and 11220200201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11220200213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107886489 + ... + 107886592.
Almost surely, 211220200212 is an apocalyptic number.
It is an amenable number.
11220200212 is a deficient number, since it is larger than the sum of its proper divisors (9925561824).
11220200212 is a wasteful number, since it uses less digits than its factorization.
11220200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215773098 (or 215773096 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 11220200212 its reverse (21200202211), we get a palindrome (32420402423).
The spelling of 11220200212 in words is "eleven billion, two hundred twenty million, two hundred thousand, two hundred twelve".
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