Base | Representation |
---|---|
bin | 1100000011010100… |
… | …01000010000001101 |
3 | 121200220221212121012 |
4 | 12001222020100031 |
5 | 101222342201023 |
6 | 2550012215005 |
7 | 316224255542 |
oct | 60152102015 |
9 | 17626855535 |
10 | 6470272013 |
11 | 2820333147 |
12 | 1306a6a465 |
13 | 7c164292a |
14 | 455466bc9 |
15 | 27d07c978 |
hex | 181a8840d |
6470272013 has 12 divisors (see below), whose sum is σ = 6589002420. Its totient is φ = 6353642880.
The previous prime is 6470271991. The next prime is 6470272019. The reversal of 6470272013 is 3102720746.
It can be written as a sum of positive squares in 6 ways, for example, as 169 + 6470271844 = 13^2 + 80438^2 .
It is not a de Polignac number, because 6470272013 - 212 = 6470267917 is a prime.
It is a super-2 number, since 2×64702720132 = 83728839844422144338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6470272019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3187883 + ... + 3189911.
It is an arithmetic number, because the mean of its divisors is an integer number (549083535).
Almost surely, 26470272013 is an apocalyptic number.
It is an amenable number.
6470272013 is a deficient number, since it is larger than the sum of its proper divisors (118730407).
6470272013 is an equidigital number, since it uses as much as digits as its factorization.
6470272013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3008 (or 2947 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 32.
The square root of 6470272013 is about 80438.0010504985. The cubic root of 6470272013 is about 1863.4061006084.
Adding to 6470272013 its reverse (3102720746), we get a palindrome (9572992759).
The spelling of 6470272013 in words is "six billion, four hundred seventy million, two hundred seventy-two thousand, thirteen".
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