Base | Representation |
---|---|
bin | 111011111101110… |
… | …1000101110011011 |
3 | 12012020011101111110 |
4 | 1313323220232123 |
5 | 13110100401021 |
6 | 531354431403 |
7 | 100601516634 |
oct | 16773505633 |
9 | 5166141443 |
10 | 2012122011 |
11 | 942877059 |
12 | 481a32563 |
13 | 260b2ca53 |
14 | 15133288b |
15 | bb9a9476 |
hex | 77ee8b9b |
2012122011 has 16 divisors (see below), whose sum is σ = 2698323200. Its totient is φ = 1333685088.
The previous prime is 2012122003. The next prime is 2012122031. The reversal of 2012122011 is 1102212102.
It is not a de Polignac number, because 2012122011 - 23 = 2012122003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012122001) 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, 629760 + ... + 632946.
It is an arithmetic number, because the mean of its divisors is an integer number (168645200).
Almost surely, 22012122011 is an apocalyptic number.
2012122011 is a deficient number, since it is larger than the sum of its proper divisors (686201189).
2012122011 is a wasteful number, since it uses less digits than its factorization.
2012122011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4338.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2012122011 is about 44856.6830137941. The cubic root of 2012122011 is about 1262.4613872581.
Adding to 2012122011 its reverse (1102212102), we get a palindrome (3114334113).
Subtracting from 2012122011 its reverse (1102212102), we obtain a palindrome (909909909).
It can be divided in two parts, 201 and 2122011, that added together give a palindrome (2122212).
The spelling of 2012122011 in words is "two billion, twelve million, one hundred twenty-two thousand, eleven".
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