Base | Representation |
---|---|
bin | 11001001010101… |
… | …10111111111000 |
3 | 112201021000100201 |
4 | 30211112333320 |
5 | 413021320440 |
6 | 32541011544 |
7 | 5142330361 |
oct | 1445267770 |
9 | 481230321 |
10 | 211120120 |
11 | a9198742 |
12 | 5a853bb4 |
13 | 3497b963 |
14 | 20078b68 |
15 | 1380419a |
hex | c956ff8 |
211120120 has 32 divisors (see below), whose sum is σ = 475938000. Its totient is φ = 84284928.
The previous prime is 211120109. The next prime is 211120139. The reversal of 211120120 is 21021112.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 211120097 and 211120106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17056 + ... + 26704.
Almost surely, 2211120120 is an apocalyptic number.
211120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
211120120 is an abundant number, since it is smaller than the sum of its proper divisors (264817880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211120120 is a wasteful number, since it uses less digits than its factorization.
211120120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10207 (or 10203 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 211120120 is about 14529.9731589566. The cubic root of 211120120 is about 595.4471323027.
Adding to 211120120 its reverse (21021112), we get a palindrome (232141232).
The spelling of 211120120 in words is "two hundred eleven million, one hundred twenty thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •