Base | Representation |
---|---|
bin | 100000010101011010110… |
… | …010001111011101101100 |
3 | 21212102102110221000100101 |
4 | 200111122302033131230 |
5 | 242401144412241022 |
6 | 4420441002040444 |
7 | 316351520445250 |
oct | 40253262173554 |
9 | 7772373830311 |
10 | 2222021212012 |
11 | 787399056558 |
12 | 2ba7864a9124 |
13 | 1316c6c214c4 |
14 | 79791474260 |
15 | 3cbee870627 |
hex | 2055ac8f76c |
2222021212012 has 48 divisors (see below), whose sum is σ = 4460366518272. Its totient is φ = 948802760640.
The previous prime is 2222021212009. The next prime is 2222021212013. The reversal of 2222021212012 is 2102121202222.
2222021212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2222021212013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8842618 + ... + 9090430.
It is an arithmetic number, because the mean of its divisors is an integer number (92924302464).
Almost surely, 22222021212012 is an apocalyptic number.
It is an amenable number.
2222021212012 is an abundant number, since it is smaller than the sum of its proper divisors (2238345306260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222021212012 is a wasteful number, since it uses less digits than its factorization.
2222021212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248998 (or 248996 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 2222021212012 its reverse (2102121202222), we get a palindrome (4324142414234).
The spelling of 2222021212012 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, twelve".
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