Base | Representation |
---|---|
bin | 100010000100101… |
… | …1000011110010110 |
3 | 2221200100011210100 |
4 | 1010021120132112 |
5 | 4320141411410 |
6 | 305241034530 |
7 | 40221655656 |
oct | 10411303626 |
9 | 2850304710 |
10 | 1143310230 |
11 | 537406997 |
12 | 27aa85a46 |
13 | 152b3613a |
14 | abbb4366 |
15 | 6a58d8c0 |
hex | 44258796 |
1143310230 has 48 divisors (see below), whose sum is σ = 3041747280. Its totient is φ = 297791424.
The previous prime is 1143310193. The next prime is 1143310253. The reversal of 1143310230 is 320133411.
1143310230 is a `hidden beast` number, since 1 + 1 + 433 + 1 + 0 + 230 = 666.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143845 + ... + 151584.
It is an arithmetic number, because the mean of its divisors is an integer number (63369735).
Almost surely, 21143310230 is an apocalyptic number.
1143310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1143310230 is an abundant number, since it is smaller than the sum of its proper divisors (1898437050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1143310230 is a wasteful number, since it uses less digits than its factorization.
1143310230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295485 (or 295482 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1143310230 is about 33812.8707743072. The cubic root of 1143310230 is about 1045.6540642589.
Adding to 1143310230 its reverse (320133411), we get a palindrome (1463443641).
The spelling of 1143310230 in words is "one billion, one hundred forty-three million, three hundred ten thousand, two hundred thirty".
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