Base | Representation |
---|---|
bin | 10110110000111001… |
… | …00110110101000010 |
3 | 1011112201112222210010 |
4 | 23120130212311002 |
5 | 200012123443242 |
6 | 5340413045350 |
7 | 611566304112 |
oct | 133034466502 |
9 | 34481488703 |
10 | 12221312322 |
11 | 520168091a |
12 | 2450a86856 |
13 | 11c9c7166b |
14 | 83d18b042 |
15 | 4b7dd989c |
hex | 2d8726d42 |
12221312322 has 16 divisors (see below), whose sum is σ = 24544897920. Its totient is φ = 4056725232.
The previous prime is 12221312309. The next prime is 12221312351. The reversal of 12221312322 is 22321312221.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259833 + ... + 4262700.
It is an arithmetic number, because the mean of its divisors is an integer number (1534056120).
Almost surely, 212221312322 is an apocalyptic number.
12221312322 is an abundant number, since it is smaller than the sum of its proper divisors (12323585598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221312322 is a wasteful number, since it uses less digits than its factorization.
12221312322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8522777.
The product of its digits is 576, while the sum is 21.
Adding to 12221312322 its reverse (22321312221), we get a palindrome (34542624543).
The spelling of 12221312322 in words is "twelve billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".
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