Base | Representation |
---|---|
bin | 111110111100100… |
… | …0001111101000011 |
3 | 12110012021220112211 |
4 | 1331321001331003 |
5 | 13311144232321 |
6 | 545325402551 |
7 | 103224400252 |
oct | 17571017503 |
9 | 5405256484 |
10 | 2112102211 |
11 | 99425471a |
12 | 4ab409457 |
13 | 27876752b |
14 | 16071a799 |
15 | c56580e1 |
hex | 7de41f43 |
2112102211 has 16 divisors (see below), whose sum is σ = 2170403424. Its totient is φ = 2054778624.
The previous prime is 2112102197. The next prime is 2112102227. The reversal of 2112102211 is 1122012112.
It is a cyclic number.
It is not a de Polignac number, because 2112102211 - 29 = 2112101699 is a prime.
It is a super-2 number, since 2×21121022112 = 8921951499422177042, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2112102191 and 2112102200.
It is not an unprimeable number, because it can be changed into a prime (2112102271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2475661 + ... + 2476513.
It is an arithmetic number, because the mean of its divisors is an integer number (135650214).
Almost surely, 22112102211 is an apocalyptic number.
2112102211 is a deficient number, since it is larger than the sum of its proper divisors (58301213).
2112102211 is a wasteful number, since it uses less digits than its factorization.
2112102211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 2112102211 is about 45957.6131995560. The cubic root of 2112102211 is about 1283.0344289682.
Adding to 2112102211 its reverse (1122012112), we get a palindrome (3234114323).
Subtracting from 2112102211 its reverse (1122012112), we obtain a palindrome (990090099).
The spelling of 2112102211 in words is "two billion, one hundred twelve million, one hundred two thousand, two hundred eleven".
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