Base | Representation |
---|---|
bin | 11001001001110… |
… | …01101100111000 |
3 | 112201000220202021 |
4 | 30210321230320 |
5 | 413004000440 |
6 | 32534244224 |
7 | 5141320462 |
oct | 1444715470 |
9 | 481026667 |
10 | 211000120 |
11 | a9116571 |
12 | 5a7b6674 |
13 | 34939156 |
14 | 20047132 |
15 | 137cd84a |
hex | c939b38 |
211000120 has 32 divisors (see below), whose sum is σ = 475300800. Its totient is φ = 84302208.
The previous prime is 211000109. The next prime is 211000121. The reversal of 211000120 is 21000112.
211000120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211000121) 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, 39022 + ... + 44098.
It is an arithmetic number, because the mean of its divisors is an integer number (14853150).
Almost surely, 2211000120 is an apocalyptic number.
211000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211000120 is an abundant number, since it is smaller than the sum of its proper divisors (264300680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211000120 is a wasteful number, since it uses less digits than its factorization.
211000120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6127 (or 6123 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 211000120 is about 14525.8431769037. The cubic root of 211000120 is about 595.3342941734.
Adding to 211000120 its reverse (21000112), we get a palindrome (232000232).
The spelling of 211000120 in words is "two hundred eleven million, one hundred twenty", and thus it is an aban number.
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