Base | Representation |
---|---|
bin | 10111001011010100… |
… | …11100001000010010 |
3 | 1012010011210001011100 |
4 | 23211222130020102 |
5 | 200440404323242 |
6 | 5414413325230 |
7 | 620231054214 |
oct | 134552341022 |
9 | 35104701140 |
10 | 12443042322 |
11 | 5305855957 |
12 | 24b3196816 |
13 | 1233b96649 |
14 | 8607c85b4 |
15 | 4cc5d754c |
hex | 2e5a9c212 |
12443042322 has 96 divisors (see below), whose sum is σ = 29528838144. Its totient is φ = 3769804800.
The previous prime is 12443042309. The next prime is 12443042323. The reversal of 12443042322 is 22324034421.
12443042322 is a `hidden beast` number, since 124 + 4 + 304 + 232 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (12443042323) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5756922 + ... + 5759082.
It is an arithmetic number, because the mean of its divisors is an integer number (307592064).
Almost surely, 212443042322 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12443042322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14764419072).
12443042322 is an abundant number, since it is smaller than the sum of its proper divisors (17085795822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12443042322 is a wasteful number, since it uses less digits than its factorization.
12443042322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2824 (or 2821 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 12443042322 its reverse (22324034421), we get a palindrome (34767076743).
The spelling of 12443042322 in words is "twelve billion, four hundred forty-three million, forty-two thousand, three hundred twenty-two".
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