Base | Representation |
---|---|
bin | 110000000000001101110110… |
… | …110001000111011110000100 |
3 | 1000200111222111011011022022221 |
4 | 300000031312301013132010 |
5 | 210133002013131201040 |
6 | 2025003410553102124 |
7 | 62316665626640302 |
oct | 6000156661073604 |
9 | 1020458434138287 |
10 | 211121110022020 |
11 | 612a6a61767350 |
12 | 1b8188286b7944 |
13 | 90a5834849853 |
14 | 3a1c45dacd272 |
15 | 1961b27db474a |
hex | c00376c47784 |
211121110022020 has 96 divisors (see below), whose sum is σ = 514155765110400. Its totient is φ = 72010611072000.
The previous prime is 211121110021999. The next prime is 211121110022021. The reversal of 211121110022020 is 20220011121112.
It is a junction number, because it is equal to n+sod(n) for n = 211121110021985 and 211121110022003.
It is not an unprimeable number, because it can be changed into a prime (211121110022021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249614665 + ... + 250459024.
It is an arithmetic number, because the mean of its divisors is an integer number (5355789219900).
Almost surely, 2211121110022020 is an apocalyptic number.
211121110022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211121110022020 is an abundant number, since it is smaller than the sum of its proper divisors (303034655088380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211121110022020 is a wasteful number, since it uses less digits than its factorization.
211121110022020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500073829 (or 500073827 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 211121110022020 its reverse (20220011121112), we get a palindrome (231341121143132).
The spelling of 211121110022020 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, twenty-two thousand, twenty".
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