Base | Representation |
---|---|
bin | 11001000100000010… |
… | …01100111001101110 |
3 | 1021201202011110002100 |
4 | 30202001030321232 |
5 | 210024121022342 |
6 | 10103105035530 |
7 | 654305033421 |
oct | 144201147156 |
9 | 37652143070 |
10 | 13455642222 |
11 | 57853a5180 |
12 | 2736325ba6 |
13 | 13658c5899 |
14 | 9190959b8 |
15 | 53b456e4c |
hex | 32204ce6e |
13455642222 has 96 divisors (see below), whose sum is σ = 34585540704. Its totient is φ = 3733862400.
The previous prime is 13455642203. The next prime is 13455642223. The reversal of 13455642222 is 22224655431.
13455642222 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 5 + 642 + 2 + 2 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13455642223) 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, 70522 + ... + 178562.
It is an arithmetic number, because the mean of its divisors is an integer number (360266049).
Almost surely, 213455642222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13455642222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292770352).
13455642222 is an abundant number, since it is smaller than the sum of its proper divisors (21129898482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13455642222 is a wasteful number, since it uses less digits than its factorization.
13455642222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108114 (or 108111 counting only the distinct ones).
The product of its digits is 115200, while the sum is 36.
The spelling of 13455642222 in words is "thirteen billion, four hundred fifty-five million, six hundred forty-two thousand, two hundred twenty-two".
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