Base | Representation |
---|---|
bin | 100100000100100… |
… | …0010101110011101 |
3 | 10010100110010122112 |
4 | 1020021002232131 |
5 | 4434321030023 |
6 | 320033323405 |
7 | 41664430634 |
oct | 11011025635 |
9 | 3110403575 |
10 | 1210330013 |
11 | 571221942 |
12 | 299406565 |
13 | 1639a0309 |
14 | b6a5c51b |
15 | 713cb478 |
hex | 48242b9d |
1210330013 has 8 divisors (see below), whose sum is σ = 1224184248. Its totient is φ = 1196504064.
The previous prime is 1210329983. The next prime is 1210330019. The reversal of 1210330013 is 3100330121.
It can be written as a sum of positive squares in 4 ways, for example, as 341436484 + 868893529 = 18478^2 + 29477^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1210330013 - 210 = 1210328989 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1210330013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210330019) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 85895 + ... + 98987.
It is an arithmetic number, because the mean of its divisors is an integer number (153023031).
Almost surely, 21210330013 is an apocalyptic number.
It is an amenable number.
1210330013 is a deficient number, since it is larger than the sum of its proper divisors (13854235).
1210330013 is an equidigital number, since it uses as much as digits as its factorization.
1210330013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14143.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1210330013 is about 34789.7975418081. The cubic root of 1210330013 is about 1065.6991047074.
Adding to 1210330013 its reverse (3100330121), we get a palindrome (4310660134).
The spelling of 1210330013 in words is "one billion, two hundred ten million, three hundred thirty thousand, thirteen".
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