Base | Representation |
---|---|
bin | 1110010101001… |
… | …00011010101000 |
3 | 22101012100122102 |
4 | 13022210122220 |
5 | 221233223422 |
6 | 15532312532 |
7 | 2656530500 |
oct | 712443250 |
9 | 271170572 |
10 | 120211112 |
11 | 6194642a |
12 | 34312748 |
13 | 1bb9c048 |
14 | 11d72a00 |
15 | a848192 |
hex | 72a46a8 |
120211112 has 24 divisors (see below), whose sum is σ = 262196010. Its totient is φ = 51518880.
The previous prime is 120211111. The next prime is 120211121. The reversal of 120211112 is 211112021.
It can be written as a sum of positive squares in only one way, i.e., 104734756 + 15476356 = 10234^2 + 3934^2 .
It is a super-2 number, since 2×1202111122 = 28901422896553088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120211093 and 120211102.
It is not an unprimeable number, because it can be changed into a prime (120211111) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152939 + ... + 153722.
Almost surely, 2120211112 is an apocalyptic number.
It is an amenable number.
120211112 is an abundant number, since it is smaller than the sum of its proper divisors (141984898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120211112 is a wasteful number, since it uses less digits than its factorization.
120211112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306681 (or 306670 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 120211112 is about 10964.0828161776. The cubic root of 120211112 is about 493.5314937231.
Adding to 120211112 its reverse (211112021), we get a palindrome (331323133).
Subtracting 120211112 from its reverse (211112021), we obtain a palindrome (90900909).
The spelling of 120211112 in words is "one hundred twenty million, two hundred eleven thousand, one hundred twelve".
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