Base | Representation |
---|---|
bin | 11000101010110101… |
… | …01010000011101001 |
3 | 1021012000022122120101 |
4 | 30111122222003221 |
5 | 204111004231213 |
6 | 10030113225401 |
7 | 646126640215 |
oct | 142532520351 |
9 | 37160278511 |
10 | 13244211433 |
11 | 5687015092 |
12 | 2697562261 |
13 | 1330b686cb |
14 | 8d8d79945 |
15 | 527ae0bdd |
hex | 3156aa0e9 |
13244211433 has 4 divisors (see below), whose sum is σ = 13273192660. Its totient is φ = 13215230208.
The previous prime is 13244211413. The next prime is 13244211467. The reversal of 13244211433 is 33411244231.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33411244231 = 134669 ⋅248099.
It can be written as a sum of positive squares in 2 ways, for example, as 9340835904 + 3903375529 = 96648^2 + 62477^2 .
It is a cyclic number.
It is not a de Polignac number, because 13244211433 - 217 = 13244080361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13244211413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14489928 + ... + 14490841.
It is an arithmetic number, because the mean of its divisors is an integer number (3318298165).
Almost surely, 213244211433 is an apocalyptic number.
It is an amenable number.
13244211433 is a deficient number, since it is larger than the sum of its proper divisors (28981227).
13244211433 is an equidigital number, since it uses as much as digits as its factorization.
13244211433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28981226.
The product of its digits is 6912, while the sum is 28.
Adding to 13244211433 its reverse (33411244231), we get a palindrome (46655455664).
The spelling of 13244211433 in words is "thirteen billion, two hundred forty-four million, two hundred eleven thousand, four hundred thirty-three".
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