Base | Representation |
---|---|
bin | 11110101111000011101… |
… | …001001111100101111110 |
3 | 21110220201200001112212101 |
4 | 132233003221033211332 |
5 | 234101100443424410 |
6 | 4254142431255314 |
7 | 305411041632604 |
oct | 36570351174576 |
9 | 7426650045771 |
10 | 2112111311230 |
11 | 744817855308 |
12 | 2a141197a53a |
13 | 12422c2ac75b |
14 | 74326225874 |
15 | 39e1a623d3a |
hex | 1ebc3a4f97e |
2112111311230 has 32 divisors (see below), whose sum is σ = 3901372140960. Its totient is φ = 822789895680.
The previous prime is 2112111311213. The next prime is 2112111311257. The reversal of 2112111311230 is 321131112112.
It is a super-2 number, since 2×21121113112302 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2112111311198 and 2112111311207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4293504 + ... + 4760083.
It is an arithmetic number, because the mean of its divisors is an integer number (121917879405).
Almost surely, 22112111311230 is an apocalyptic number.
2112111311230 is a deficient number, since it is larger than the sum of its proper divisors (1789260829730).
2112111311230 is a wasteful number, since it uses less digits than its factorization.
2112111311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9054204.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 2112111311230 its reverse (321131112112), we get a palindrome (2433242423342).
The spelling of 2112111311230 in words is "two trillion, one hundred twelve billion, one hundred eleven million, three hundred eleven thousand, two hundred thirty".
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