Base | Representation |
---|---|
bin | 10001110000010011110… |
… | …000100100001010101110 |
3 | 11022122022000120012021222 |
4 | 101300103300210022232 |
5 | 124442232131211342 |
6 | 2332301320423342 |
7 | 154102161445640 |
oct | 21602360441256 |
9 | 4278260505258 |
10 | 1220102210222 |
11 | 430495987175 |
12 | 178569917b52 |
13 | 8b0941cb15c |
14 | 430a6218890 |
15 | 21b0e8e5ed2 |
hex | 11c13c242ae |
1220102210222 has 16 divisors (see below), whose sum is σ = 2115104957280. Its totient is φ = 517025655168.
The previous prime is 1220102210153. The next prime is 1220102210237. The reversal of 1220102210222 is 2220122010221.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1220102210222.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489606383 + ... + 489608874.
It is an arithmetic number, because the mean of its divisors is an integer number (132194059830).
Almost surely, 21220102210222 is an apocalyptic number.
1220102210222 is a deficient number, since it is larger than the sum of its proper divisors (895002747058).
1220102210222 is an equidigital number, since it uses as much as digits as its factorization.
1220102210222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 979215355.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1220102210222 its reverse (2220122010221), we get a palindrome (3440224220443).
The spelling of 1220102210222 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred ten thousand, two hundred twenty-two".
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