Base | Representation |
---|---|
bin | 1100010010110111000… |
… | …0101000010000010110 |
3 | 202012012100210122101021 |
4 | 3010231300220100112 |
5 | 11430040101320042 |
6 | 241011133351354 |
7 | 21155153616433 |
oct | 3045560502026 |
9 | 665170718337 |
10 | 211221120022 |
11 | 8163a8a7810 |
12 | 34b2963855a |
13 | 16bc1cb6c73 |
14 | a31a4b0b8a |
15 | 5763640867 |
hex | 312dc28416 |
211221120022 has 32 divisors (see below), whose sum is σ = 368759723904. Its totient is φ = 89672169600.
The previous prime is 211221119999. The next prime is 211221120031. The reversal of 211221120022 is 220021122112.
It is a happy number.
211221120022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2112211200222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 211221119978 and 211221120005.
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, 2106588 + ... + 2204575.
It is an arithmetic number, because the mean of its divisors is an integer number (11523741372).
Almost surely, 2211221120022 is an apocalyptic number.
211221120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
211221120022 is a deficient number, since it is larger than the sum of its proper divisors (157538603882).
211221120022 is a wasteful number, since it uses less digits than its factorization.
211221120022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4311324.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 211221120022 its reverse (220021122112), we get a palindrome (431242242134).
The spelling of 211221120022 in words is "two hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".
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