Base | Representation |
---|---|
bin | 11101010001111011010… |
… | …010010110010011000101 |
3 | 21010100121121210012010021 |
4 | 131101323102112103011 |
5 | 230431301423231041 |
6 | 4140204010455141 |
7 | 265241016113221 |
oct | 35217322262305 |
9 | 7110547705107 |
10 | 2012113102021 |
11 | 706372432700 |
12 | 285b647344b1 |
13 | 117983c79169 |
14 | 6d55b50d781 |
15 | 3751663ecd1 |
hex | 1d47b4964c5 |
2012113102021 has 12 divisors (see below), whose sum is σ = 2215305183616. Its totient is φ = 1826180163720.
The previous prime is 2012113102019. The next prime is 2012113102031. The reversal of 2012113102021 is 1202013112102.
It is not a de Polignac number, because 2012113102021 - 21 = 2012113102019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2012113101986 and 2012113102004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012113102031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13624275 + ... + 13771168.
Almost surely, 22012113102021 is an apocalyptic number.
It is an amenable number.
2012113102021 is a deficient number, since it is larger than the sum of its proper divisors (203192081595).
2012113102021 is a wasteful number, since it uses less digits than its factorization.
2012113102021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27396072 (or 27396061 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 2012113102021 its reverse (1202013112102), we get a palindrome (3214126214123).
The spelling of 2012113102021 in words is "two trillion, twelve billion, one hundred thirteen million, one hundred two thousand, twenty-one".
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