Base | Representation |
---|---|
bin | 111110111110011… |
… | …1101001011011110 |
3 | 12110021020012002122 |
4 | 1331330331023132 |
5 | 13311430144410 |
6 | 545403422542 |
7 | 103236214310 |
oct | 17574751336 |
9 | 5407205078 |
10 | 2113131230 |
11 | 994897851 |
12 | 4ab824a52 |
13 | 278a37a12 |
14 | 1609077b0 |
15 | c57ace55 |
hex | 7df3d2de |
2113131230 has 32 divisors (see below), whose sum is σ = 4387654656. Its totient is φ = 717728544.
The previous prime is 2113131199. The next prime is 2113131257. The reversal of 2113131230 is 321313112.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2113131199 and 2113131208.
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, 133574 + ... + 148553.
It is an arithmetic number, because the mean of its divisors is an integer number (137114208).
Almost surely, 22113131230 is an apocalyptic number.
2113131230 is an abundant number, since it is smaller than the sum of its proper divisors (2274523426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113131230 is a wasteful number, since it uses less digits than its factorization.
2113131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282248.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2113131230 is about 45968.8071413649. The cubic root of 2113131230 is about 1283.2427604975.
Adding to 2113131230 its reverse (321313112), we get a palindrome (2434444342).
The spelling of 2113131230 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred thirty".
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