Base | Representation |
---|---|
bin | 111011111110000… |
… | …0000111001010100 |
3 | 12012020100102022011 |
4 | 1313330000321110 |
5 | 13110112033022 |
6 | 531400514004 |
7 | 100602411364 |
oct | 16774007124 |
9 | 5166312264 |
10 | 2012221012 |
11 | 94293447a |
12 | 481a7b904 |
13 | 260b65b29 |
14 | 15135a9a4 |
15 | bb9c8977 |
hex | 77f00e54 |
2012221012 has 6 divisors (see below), whose sum is σ = 3521386778. Its totient is φ = 1006110504.
The previous prime is 2012221007. The next prime is 2012221021. The reversal of 2012221012 is 2101222102.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1852097296 + 160123716 = 43036^2 + 12654^2 .
It is a super-2 number, since 2×20122210122 = 8098066802268608288, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2012220983 and 2012221001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251527623 + ... + 251527630.
Almost surely, 22012221012 is an apocalyptic number.
It is an amenable number.
2012221012 is a deficient number, since it is larger than the sum of its proper divisors (1509165766).
2012221012 is a wasteful number, since it uses less digits than its factorization.
2012221012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503055257 (or 503055255 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2012221012 is about 44857.7865258642. The cubic root of 2012221012 is about 1262.4820922467.
Adding to 2012221012 its reverse (2101222102), we get a palindrome (4113443114).
The spelling of 2012221012 in words is "two billion, twelve million, two hundred twenty-one thousand, twelve".
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