Base | Representation |
---|---|
bin | 11000011101011000… |
… | …00110000110001110 |
3 | 1020220010221022010020 |
4 | 30032230012012032 |
5 | 203343110422342 |
6 | 10011002123010 |
7 | 643256365365 |
oct | 141654060616 |
9 | 36803838106 |
10 | 13131342222 |
11 | 5629333849 |
12 | 26657b0466 |
13 | 131366a3ab |
14 | 8c7d987dc |
15 | 51cc480ec |
hex | 30eb0618e |
13131342222 has 32 divisors (see below), whose sum is σ = 27135129600. Its totient is φ = 4234033440.
The previous prime is 13131342167. The next prime is 13131342307. The reversal of 13131342222 is 22224313131.
It is a junction number, because it is equal to n+sod(n) for n = 13131342192 and 13131342201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268222 + ... + 313377.
It is an arithmetic number, because the mean of its divisors is an integer number (847972800).
Almost surely, 213131342222 is an apocalyptic number.
13131342222 is an abundant number, since it is smaller than the sum of its proper divisors (14003787378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13131342222 is a wasteful number, since it uses less digits than its factorization.
13131342222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581728.
The product of its digits is 1728, while the sum is 24.
Adding to 13131342222 its reverse (22224313131), we get a palindrome (35355655353).
The spelling of 13131342222 in words is "thirteen billion, one hundred thirty-one million, three hundred forty-two thousand, two hundred twenty-two".
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