Base | Representation |
---|---|
bin | 11000100101110110… |
… | …10100111110111100 |
3 | 1021002002201122201120 |
4 | 30102323110332330 |
5 | 204014311203340 |
6 | 10022022110540 |
7 | 645111632010 |
oct | 142273247674 |
9 | 37062648646 |
10 | 13202444220 |
11 | 5665487829 |
12 | 268557b450 |
13 | 1325303694 |
14 | 8d35c6540 |
15 | 5240e04d0 |
hex | 312ed4fbc |
13202444220 has 96 divisors (see below), whose sum is σ = 42263133696. Its totient is φ = 3016608000.
The previous prime is 13202444209. The next prime is 13202444251. The reversal of 13202444220 is 2244420231.
It is a super-4 number, since 4×132024442204 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966870 + ... + 1973570.
It is an arithmetic number, because the mean of its divisors is an integer number (440240976).
Almost surely, 213202444220 is an apocalyptic number.
13202444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13202444220 is an abundant number, since it is smaller than the sum of its proper divisors (29060689476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13202444220 is a wasteful number, since it uses less digits than its factorization.
13202444220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11411 (or 11409 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 13202444220 its reverse (2244420231), we get a palindrome (15446864451).
The spelling of 13202444220 in words is "thirteen billion, two hundred two million, four hundred forty-four thousand, two hundred twenty".
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