Base | Representation |
---|---|
bin | 11101011010011000111… |
… | …110010110010011000100 |
3 | 21011020001222110211200020 |
4 | 131122120332112103010 |
5 | 231103404441011322 |
6 | 4144305454215140 |
7 | 266012150653014 |
oct | 35323076262304 |
9 | 7136058424606 |
10 | 2021201110212 |
11 | 70a206374779 |
12 | 2878801b44b0 |
13 | 1187a1a318bb |
14 | 6db804b3c44 |
15 | 3789940305c |
hex | 1d698f964c4 |
2021201110212 has 48 divisors (see below), whose sum is σ = 4823390436480. Its totient is φ = 658508301568.
The previous prime is 2021201110157. The next prime is 2021201110213. The reversal of 2021201110212 is 2120111021202.
It is a junction number, because it is equal to n+sod(n) for n = 2021201110191 and 2021201110200.
It is not an unprimeable number, because it can be changed into a prime (2021201110213) 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, 5874537 + ... + 6209072.
It is an arithmetic number, because the mean of its divisors is an integer number (100487300760).
Almost surely, 22021201110212 is an apocalyptic number.
It is an amenable number.
2021201110212 is an abundant number, since it is smaller than the sum of its proper divisors (2802189326268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021201110212 is a wasteful number, since it uses less digits than its factorization.
2021201110212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12083932 (or 12083930 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2021201110212 its reverse (2120111021202), we get a palindrome (4141312131414).
The spelling of 2021201110212 in words is "two trillion, twenty-one billion, two hundred one million, one hundred ten thousand, two hundred twelve".
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