Base | Representation |
---|---|
bin | 111011111100000… |
… | …1100100011111110 |
3 | 12012011110120110212 |
4 | 1313320030203332 |
5 | 13104333021342 |
6 | 531323232422 |
7 | 100561042544 |
oct | 16770144376 |
9 | 5164416425 |
10 | 2011220222 |
11 | 942310580 |
12 | 481678712 |
13 | 2608a544b |
14 | 151179d94 |
15 | bb87c182 |
hex | 77e0c8fe |
2011220222 has 8 divisors (see below), whose sum is σ = 3291087672. Its totient is φ = 914191000.
The previous prime is 2011220219. The next prime is 2011220231. The reversal of 2011220222 is 2220221102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2011220197 and 2011220206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45709529 + ... + 45709572.
It is an arithmetic number, because the mean of its divisors is an integer number (411385959).
Almost surely, 22011220222 is an apocalyptic number.
2011220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2011220222 is a deficient number, since it is larger than the sum of its proper divisors (1279867450).
2011220222 is a wasteful number, since it uses less digits than its factorization.
2011220222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91419114.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2011220222 is about 44846.6299960209. The cubic root of 2011220222 is about 1262.2727565641.
Adding to 2011220222 its reverse (2220221102), we get a palindrome (4231441324).
The spelling of 2011220222 in words is "two billion, eleven million, two hundred twenty thousand, two hundred twenty-two".
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