Base | Representation |
---|---|
bin | 10110101111100100… |
… | …01101111010100000 |
3 | 1011111221122102211221 |
4 | 23113302031322200 |
5 | 200001302401344 |
6 | 5335334544424 |
7 | 611402663245 |
oct | 132762157240 |
9 | 34457572757 |
10 | 12210200224 |
11 | 51a6381172 |
12 | 2449208114 |
13 | 11c7880861 |
14 | 83b8d75cc |
15 | 4b6e42184 |
hex | 2d7c8dea0 |
12210200224 has 24 divisors (see below), whose sum is σ = 25452881748. Its totient is φ = 5745976320.
The previous prime is 12210200179. The next prime is 12210200227. The reversal of 12210200224 is 42200201221.
It can be written as a sum of positive squares in 2 ways, for example, as 10066510224 + 2143690000 = 100332^2 + 46300^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 12210200198 and 12210200207.
It is not an unprimeable number, because it can be changed into a prime (12210200227) 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, 11222067 + ... + 11223154.
Almost surely, 212210200224 is an apocalyptic number.
It is an amenable number.
12210200224 is an abundant number, since it is smaller than the sum of its proper divisors (13242681524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210200224 is a wasteful number, since it uses less digits than its factorization.
12210200224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22445248 (or 22445240 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 12210200224 its reverse (42200201221), we get a palindrome (54410401445).
The spelling of 12210200224 in words is "twelve billion, two hundred ten million, two hundred thousand, two hundred twenty-four".
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