Base | Representation |
---|---|
bin | 111011101001000… |
… | …0101100111101001 |
3 | 12011110200000220020 |
4 | 1313102011213221 |
5 | 13044303332223 |
6 | 530325151053 |
7 | 100410114465 |
oct | 16722054751 |
9 | 5143600806 |
10 | 2001230313 |
11 | 937707a55 |
12 | 47a25b489 |
13 | 25b7b8364 |
14 | 14dad94a5 |
15 | baa571e3 |
hex | 774859e9 |
2001230313 has 16 divisors (see below), whose sum is σ = 2701178880. Its totient is φ = 1317810816.
The previous prime is 2001230311. The next prime is 2001230369. The reversal of 2001230313 is 3130321002.
It is not a de Polignac number, because 2001230313 - 21 = 2001230311 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2001230292 and 2001230301.
It is not an unprimeable number, because it can be changed into a prime (2001230311) 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 15 ways as a sum of consecutive naturals, for example, 75781 + ... + 98717.
It is an arithmetic number, because the mean of its divisors is an integer number (168823680).
Almost surely, 22001230313 is an apocalyptic number.
It is an amenable number.
2001230313 is a deficient number, since it is larger than the sum of its proper divisors (699948567).
2001230313 is a wasteful number, since it uses less digits than its factorization.
2001230313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23296.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 2001230313 is about 44735.1127527360. The cubic root of 2001230313 is about 1260.1793464789.
Adding to 2001230313 its reverse (3130321002), we get a palindrome (5131551315).
The spelling of 2001230313 in words is "two billion, one million, two hundred thirty thousand, three hundred thirteen".
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