Base | Representation |
---|---|
bin | 111110111100100… |
… | …1000110010011110 |
3 | 12110012100022221200 |
4 | 1331321020302132 |
5 | 13311201131311 |
6 | 545330140330 |
7 | 103224545004 |
oct | 17571106236 |
9 | 5405308850 |
10 | 2112130206 |
11 | 99427375a |
12 | 4ab4216a6 |
13 | 2787771b4 |
14 | 160726a74 |
15 | c5661556 |
hex | 7de48c9e |
2112130206 has 24 divisors (see below), whose sum is σ = 4583380464. Its totient is φ = 702951360.
The previous prime is 2112130187. The next prime is 2112130247. The reversal of 2112130206 is 6020312112.
It is a super-2 number, since 2×21121302062 = 8922188014195204872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79035 + ... + 102326.
It is an arithmetic number, because the mean of its divisors is an integer number (190974186).
Almost surely, 22112130206 is an apocalyptic number.
2112130206 is an abundant number, since it is smaller than the sum of its proper divisors (2471250258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112130206 is a wasteful number, since it uses less digits than its factorization.
2112130206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182016 (or 182013 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 2112130206 is about 45957.9177726755. The cubic root of 2112130206 is about 1283.0400976317.
Adding to 2112130206 its reverse (6020312112), we get a palindrome (8132442318).
The spelling of 2112130206 in words is "two billion, one hundred twelve million, one hundred thirty thousand, two hundred six".
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