Base | Representation |
---|---|
bin | 111110111010110… |
… | …1000011001111100 |
3 | 12110010121122012220 |
4 | 1331311220121330 |
5 | 13310432224012 |
6 | 545254325340 |
7 | 103213666332 |
oct | 17565503174 |
9 | 5403548186 |
10 | 2111211132 |
11 | 9937a6198 |
12 | 4ab059850 |
13 | 278514a74 |
14 | 160567b52 |
15 | c552e08c |
hex | 7dd6867c |
2111211132 has 24 divisors (see below), whose sum is σ = 4927122816. Its totient is φ = 703599408.
The previous prime is 2111211121. The next prime is 2111211139. The reversal of 2111211132 is 2311121112.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111211139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60883 + ... + 89045.
It is an arithmetic number, because the mean of its divisors is an integer number (205296784).
Almost surely, 22111211132 is an apocalyptic number.
It is an amenable number.
2111211132 is an abundant number, since it is smaller than the sum of its proper divisors (2815911684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111211132 is a wasteful number, since it uses less digits than its factorization.
2111211132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34417 (or 34415 counting only the distinct ones).
The product of its digits is 24, while the sum is 15.
The square root of 2111211132 is about 45947.9176024333. The cubic root of 2111211132 is about 1282.8539696059.
Adding to 2111211132 its reverse (2311121112), we get a palindrome (4422332244).
The spelling of 2111211132 in words is "two billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-two".
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