Base | Representation |
---|---|
bin | 111011111011111… |
… | …0001111011010010 |
3 | 12012011021000211010 |
4 | 1313313301323102 |
5 | 13104321023442 |
6 | 531321031350 |
7 | 100560106506 |
oct | 16767617322 |
9 | 5164230733 |
10 | 2011111122 |
11 | 942246609 |
12 | 481625556 |
13 | 2608678a7 |
14 | 15114c306 |
15 | bb859b9c |
hex | 77df1ed2 |
2011111122 has 32 divisors (see below), whose sum is σ = 4199310720. Its totient is φ = 640886400.
The previous prime is 2011111103. The next prime is 2011111159. The reversal of 2011111122 is 2211111102.
It is a junction number, because it is equal to n+sod(n) for n = 2011111098 and 2011111107.
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, 476622 + ... + 480822.
It is an arithmetic number, because the mean of its divisors is an integer number (131228460).
Almost surely, 22011111122 is an apocalyptic number.
2011111122 is an abundant number, since it is smaller than the sum of its proper divisors (2188199598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2011111122 is a wasteful number, since it uses less digits than its factorization.
2011111122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7698.
The product of its (nonzero) digits is 8, while the sum is 12.
The square root of 2011111122 is about 44845.4136116504. The cubic root of 2011111122 is about 1262.2499318719.
Adding to 2011111122 its reverse (2211111102), we get a palindrome (4222222224).
The spelling of 2011111122 in words is "two billion, eleven million, one hundred eleven thousand, one hundred twenty-two".
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