Base | Representation |
---|---|
bin | 1100010010110100011… |
… | …0001101111001100100 |
3 | 202012011120212210100102 |
4 | 3010231012031321210 |
5 | 11430024230031040 |
6 | 241010055203232 |
7 | 21154660252433 |
oct | 3045506157144 |
9 | 665146783312 |
10 | 211210002020 |
11 | 816345a3686 |
12 | 34b25976518 |
13 | 16bbc8c3574 |
14 | a318c1911a |
15 | 5762696515 |
hex | 312d18de64 |
211210002020 has 24 divisors (see below), whose sum is σ = 443570164800. Its totient is φ = 84478446432.
The previous prime is 211210002019. The next prime is 211210002023. The reversal of 211210002020 is 20200012112.
It is a happy number.
211210002020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 211210001992 and 211210002010.
It is not an unprimeable number, because it can be changed into a prime (211210002023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28190 + ... + 650549.
It is an arithmetic number, because the mean of its divisors is an integer number (18482090200).
Almost surely, 2211210002020 is an apocalyptic number.
211210002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211210002020 is an abundant number, since it is smaller than the sum of its proper divisors (232360162780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211210002020 is a wasteful number, since it uses less digits than its factorization.
211210002020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694307 (or 694305 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 211210002020 its reverse (20200012112), we get a palindrome (231410014132).
The spelling of 211210002020 in words is "two hundred eleven billion, two hundred ten million, two thousand, twenty".
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