Base | Representation |
---|---|
bin | 1000010000001111… |
… | …10011010000111101 |
3 | 102102211010210211010 |
4 | 10020013303100331 |
5 | 33033343330023 |
6 | 2011412345433 |
7 | 214544555640 |
oct | 41007632075 |
9 | 12384123733 |
10 | 4431230013 |
11 | 197434a771 |
12 | a38015279 |
13 | 558078ac2 |
14 | 300727a57 |
15 | 1ae057093 |
hex | 1081f343d |
4431230013 has 64 divisors (see below), whose sum is σ = 7293307392. Its totient is φ = 2335703040.
The previous prime is 4431230009. The next prime is 4431230057. The reversal of 4431230013 is 3100321344.
It is not a de Polignac number, because 4431230013 - 22 = 4431230009 is a prime.
It is a super-2 number, since 2×44312300132 = 39271598856223960338, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4431230003) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5029333 + ... + 5030213.
It is an arithmetic number, because the mean of its divisors is an integer number (113957928).
Almost surely, 24431230013 is an apocalyptic number.
It is an amenable number.
4431230013 is a deficient number, since it is larger than the sum of its proper divisors (2862077379).
4431230013 is a wasteful number, since it uses less digits than its factorization.
4431230013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 4431230013 is about 66567.4846527943. The cubic root of 4431230013 is about 1642.5102857465.
Adding to 4431230013 its reverse (3100321344), we get a palindrome (7531551357).
The spelling of 4431230013 in words is "four billion, four hundred thirty-one million, two hundred thirty thousand, thirteen".
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