Base | Representation |
---|---|
bin | 110111111110100100… |
… | …0111111110011001000 |
3 | 102111021201102011111112 |
4 | 1233331020333303020 |
5 | 3432143021023422 |
6 | 131120233145452 |
7 | 11453641404461 |
oct | 1577510776310 |
9 | 374251364445 |
10 | 120211111112 |
11 | 46a88047014 |
12 | 1b36a55b288 |
13 | b449b61ba1 |
14 | 5b653bbd68 |
15 | 31d87a6ee2 |
hex | 1bfd23fcc8 |
120211111112 has 32 divisors (see below), whose sum is σ = 233198681400. Its totient is φ = 58025339904.
The previous prime is 120211111109. The next prime is 120211111117. The reversal of 120211111112 is 211111112021.
It can be written as a sum of positive squares in 4 ways, for example, as 114037237636 + 6173873476 = 337694^2 + 78574^2 .
It is a super-2 number, since 2×1202111111122 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120211111117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001098 + ... + 2060294.
Almost surely, 2120211111112 is an apocalyptic number.
It is an amenable number.
120211111112 is a deficient number, since it is larger than the sum of its proper divisors (112987570288).
120211111112 is a wasteful number, since it uses less digits than its factorization.
120211111112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67985 (or 67981 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 120211111112 its reverse (211111112021), we get a palindrome (331322223133).
Subtracting 120211111112 from its reverse (211111112021), we obtain a palindrome (90900000909).
The spelling of 120211111112 in words is "one hundred twenty billion, two hundred eleven million, one hundred eleven thousand, one hundred twelve".
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