Base | Representation |
---|---|
bin | 11011100011111… |
… | …01100101010110 |
3 | 121010001020022002 |
4 | 31301331211112 |
5 | 433141413420 |
6 | 34535235302 |
7 | 5505114500 |
oct | 1561754526 |
9 | 533036262 |
10 | 231201110 |
11 | 1095638a8 |
12 | 65518b32 |
13 | 38b8cbba |
14 | 229c4d70 |
15 | 1546e075 |
hex | dc7d956 |
231201110 has 48 divisors (see below), whose sum is σ = 495410256. Its totient is φ = 77418432.
The previous prime is 231201109. The next prime is 231201119. The reversal of 231201110 is 11102132.
It is a junction number, because it is equal to n+sod(n) for n = 231201091 and 231201100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231201119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15584 + ... + 26556.
It is an arithmetic number, because the mean of its divisors is an integer number (10321047).
Almost surely, 2231201110 is an apocalyptic number.
231201110 is an abundant number, since it is smaller than the sum of its proper divisors (264209146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231201110 is a wasteful number, since it uses less digits than its factorization.
231201110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11037 (or 11030 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 231201110 is about 15205.2987474762. The cubic root of 231201110 is about 613.7572542534.
Adding to 231201110 its reverse (11102132), we get a palindrome (242303242).
The spelling of 231201110 in words is "two hundred thirty-one million, two hundred one thousand, one hundred ten".
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