Base | Representation |
---|---|
bin | 100111101000110… |
… | …1010101011100011 |
3 | 10102200200120222200 |
4 | 1033101222223203 |
5 | 10210442000311 |
6 | 335551104243 |
7 | 44650036236 |
oct | 11721525343 |
9 | 3380616880 |
10 | 1330031331 |
11 | 62284a252 |
12 | 311512083 |
13 | 1827212b5 |
14 | c88db41d |
15 | 7bb73556 |
hex | 4f46aae3 |
1330031331 has 24 divisors (see below), whose sum is σ = 2023993920. Its totient is φ = 839303856.
The previous prime is 1330031291. The next prime is 1330031377. The reversal of 1330031331 is 1331300331.
1330031331 is a `hidden beast` number, since 1 + 3 + 300 + 31 + 331 = 666.
It is not a de Polignac number, because 1330031331 - 210 = 1330030307 is a prime.
It is a super-2 number, since 2×13300313312 = 3537966682883263122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1330031531) 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, 257880 + ... + 262986.
It is an arithmetic number, because the mean of its divisors is an integer number (84333080).
Almost surely, 21330031331 is an apocalyptic number.
1330031331 is a deficient number, since it is larger than the sum of its proper divisors (693962589).
1330031331 is a wasteful number, since it uses less digits than its factorization.
1330031331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6655 (or 6652 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
The square root of 1330031331 is about 36469.5946097568. The cubic root of 1330031331 is about 1099.7330842738.
Adding to 1330031331 its reverse (1331300331), we get a palindrome (2661331662).
The spelling of 1330031331 in words is "one billion, three hundred thirty million, thirty-one thousand, three hundred thirty-one".
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