Base | Representation |
---|---|
bin | 111111100000110… |
… | …0000101000000100 |
3 | 12111112001012122120 |
4 | 1333001200220010 |
5 | 13331030232322 |
6 | 551244525540 |
7 | 103545032661 |
oct | 17701405004 |
9 | 5445035576 |
10 | 2131102212 |
11 | 9a3a516a8 |
12 | 4b58508b0 |
13 | 27c68a735 |
14 | 163064a68 |
15 | c715ca5c |
hex | 7f060a04 |
2131102212 has 24 divisors (see below), whose sum is σ = 4973603712. Its totient is φ = 710220000.
The previous prime is 2131102199. The next prime is 2131102229. The reversal of 2131102212 is 2122011312.
It is a junction number, because it is equal to n+sod(n) for n = 2131102191 and 2131102200.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52837 + ... + 83987.
It is an arithmetic number, because the mean of its divisors is an integer number (207233488).
Almost surely, 22131102212 is an apocalyptic number.
It is an amenable number.
2131102212 is an abundant number, since it is smaller than the sum of its proper divisors (2842501500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131102212 is a wasteful number, since it uses less digits than its factorization.
2131102212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36859 (or 36857 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2131102212 is about 46163.8626200191. The cubic root of 2131102212 is about 1286.8702471086.
Adding to 2131102212 its reverse (2122011312), we get a palindrome (4253113524).
The spelling of 2131102212 in words is "two billion, one hundred thirty-one million, one hundred two thousand, two hundred twelve".
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