Base | Representation |
---|---|
bin | 11001001010101… |
… | …11000001010010 |
3 | 112201021000111001 |
4 | 30211113001102 |
5 | 413021321320 |
6 | 32541012214 |
7 | 5142330550 |
oct | 1445270122 |
9 | 481230431 |
10 | 211120210 |
11 | a9198814 |
12 | 5a85406a |
13 | 3497ba02 |
14 | 20078bd0 |
15 | 1380420a |
hex | c957052 |
211120210 has 64 divisors (see below), whose sum is σ = 460212480. Its totient is φ = 68117760.
The previous prime is 211120201. The next prime is 211120213. The reversal of 211120210 is 12021112.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (211120213) 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, 240292 + ... + 241168.
It is an arithmetic number, because the mean of its divisors is an integer number (7190820).
Almost surely, 2211120210 is an apocalyptic number.
211120210 is an abundant number, since it is smaller than the sum of its proper divisors (249092270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211120210 is a wasteful number, since it uses less digits than its factorization.
211120210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1091.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 211120210 is about 14529.9762560026. The cubic root of 211120210 is about 595.4472169152.
Adding to 211120210 its reverse (12021112), we get a palindrome (223141322).
The spelling of 211120210 in words is "two hundred eleven million, one hundred twenty thousand, two hundred ten".
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