Base | Representation |
---|---|
bin | 100111101001000… |
… | …0011010000110101 |
3 | 10102200212201002221 |
4 | 1033102003100311 |
5 | 10211003211041 |
6 | 335553202341 |
7 | 44650635631 |
oct | 11722032065 |
9 | 3380781087 |
10 | 1330132021 |
11 | 622908969 |
12 | 3115603b1 |
13 | 18275808a |
14 | c8925dc1 |
15 | 7bb932d1 |
hex | 4f483435 |
1330132021 has 16 divisors (see below), whose sum is σ = 1408264704. Its totient is φ = 1253772784.
The previous prime is 1330131991. The next prime is 1330132057. The reversal of 1330132021 is 1202310331.
It is a cyclic number.
It is not a de Polignac number, because 1330132021 - 211 = 1330129973 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1330131986 and 1330132004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330132061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119990 + ... + 1121176.
It is an arithmetic number, because the mean of its divisors is an integer number (88016544).
Almost surely, 21330132021 is an apocalyptic number.
It is an amenable number.
1330132021 is a deficient number, since it is larger than the sum of its proper divisors (78132683).
1330132021 is a wasteful number, since it uses less digits than its factorization.
1330132021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1880.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1330132021 is about 36470.9750486603. The cubic root of 1330132021 is about 1099.7608353318.
Adding to 1330132021 its reverse (1202310331), we get a palindrome (2532442352).
The spelling of 1330132021 in words is "one billion, three hundred thirty million, one hundred thirty-two thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •