Base | Representation |
---|---|
bin | 100100001001110… |
… | …1001011111001110 |
3 | 10010112200101101020 |
4 | 1020103221133032 |
5 | 4441024011342 |
6 | 320213055010 |
7 | 42030160332 |
oct | 11023513716 |
9 | 3115611336 |
10 | 1213110222 |
11 | 572850735 |
12 | 29a327466 |
13 | 1644348cc |
14 | b71837c2 |
15 | 7177a0ec |
hex | 484e97ce |
1213110222 has 16 divisors (see below), whose sum is σ = 2441107200. Its totient is φ = 401888952.
The previous prime is 1213110221. The next prime is 1213110247. The reversal of 1213110222 is 2220113121.
1213110222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213110221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619222 + ... + 621177.
It is an arithmetic number, because the mean of its divisors is an integer number (152569200).
Almost surely, 21213110222 is an apocalyptic number.
1213110222 is an abundant number, since it is smaller than the sum of its proper divisors (1227996978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213110222 is a wasteful number, since it uses less digits than its factorization.
1213110222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1240567.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1213110222 is about 34829.7318680463. The cubic root of 1213110222 is about 1066.5144747490.
Adding to 1213110222 its reverse (2220113121), we get a palindrome (3433223343).
The spelling of 1213110222 in words is "one billion, two hundred thirteen million, one hundred ten thousand, two hundred twenty-two".
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