Base | Representation |
---|---|
bin | 11000101000001110… |
… | …11110000010010100 |
3 | 1021010111021201201201 |
4 | 30110013132002110 |
5 | 204034413413434 |
6 | 10024014002244 |
7 | 645443403340 |
oct | 142407360224 |
9 | 37114251651 |
10 | 13222404244 |
11 | 5675780015 |
12 | 26901a6384 |
13 | 13294a184a |
14 | 8d6100620 |
15 | 525c34614 |
hex | 3141de094 |
13222404244 has 12 divisors (see below), whose sum is σ = 26444808544. Its totient is φ = 5666744664.
The previous prime is 13222404233. The next prime is 13222404259. The reversal of 13222404244 is 44240422231.
13222404244 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 472228723 = 13222404244 / (1 + 3 + 2 + 2 + 2 + 4 + 0 + 4 + 2 + 4 + 4).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236114334 + ... + 236114389.
Almost surely, 213222404244 is an apocalyptic number.
13222404244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13222404244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13222404244 is a wasteful number, since it uses less digits than its factorization.
13222404244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472228734 (or 472228732 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 28.
Adding to 13222404244 its reverse (44240422231), we get a palindrome (57462826475).
The spelling of 13222404244 in words is "thirteen billion, two hundred twenty-two million, four hundred four thousand, two hundred forty-four".
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