Base | Representation |
---|---|
bin | 10001110010011111001… |
… | …111000010000111100010 |
3 | 11022212100002201112022010 |
4 | 101302133033002013202 |
5 | 130012030202331432 |
6 | 2333325431253350 |
7 | 154214154340512 |
oct | 21623717020742 |
9 | 4285302645263 |
10 | 1222442230242 |
11 | 431486851912 |
12 | 178b0151a256 |
13 | 8b377c45c9c |
14 | 43248d03842 |
15 | 21bea0703cc |
hex | 11c9f3c21e2 |
1222442230242 has 16 divisors (see below), whose sum is σ = 2466520607520. Its totient is φ = 403874718912.
The previous prime is 1222442230183. The next prime is 1222442230253. The reversal of 1222442230242 is 2420322442221.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901505392 + ... + 901506747.
It is an arithmetic number, because the mean of its divisors is an integer number (154157537970).
Almost surely, 21222442230242 is an apocalyptic number.
1222442230242 is an abundant number, since it is smaller than the sum of its proper divisors (1244078377278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222442230242 is a wasteful number, since it uses less digits than its factorization.
1222442230242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1803012257.
The product of its (nonzero) digits is 24576, while the sum is 30.
Adding to 1222442230242 its reverse (2420322442221), we get a palindrome (3642764672463).
The spelling of 1222442230242 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, two hundred thirty thousand, two hundred forty-two".
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