Base | Representation |
---|---|
bin | 11000010010111110… |
… | …00000000010010001 |
3 | 1020200001122001021022 |
4 | 30021133000002101 |
5 | 203203232222231 |
6 | 5554202405225 |
7 | 641146240601 |
oct | 141137000221 |
9 | 36601561238 |
10 | 13044023441 |
11 | 5594013969 |
12 | 2640500815 |
13 | 12cb546987 |
14 | 8ba548c01 |
15 | 51524ac7b |
hex | 3097c0091 |
13044023441 has 4 divisors (see below), whose sum is σ = 13046508084. Its totient is φ = 13041538800.
The previous prime is 13044023417. The next prime is 13044023453. The reversal of 13044023441 is 14432044031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14432044031 = 5501 ⋅2623531.
It can be written as a sum of positive squares in 2 ways, for example, as 4070440000 + 8973583441 = 63800^2 + 94729^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13044023441 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 13044023441.
It is not an unprimeable number, because it can be changed into a prime (13044023341) 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, 1234430 + ... + 1244951.
It is an arithmetic number, because the mean of its divisors is an integer number (3261627021).
Almost surely, 213044023441 is an apocalyptic number.
It is an amenable number.
13044023441 is a deficient number, since it is larger than the sum of its proper divisors (2484643).
13044023441 is an equidigital number, since it uses as much as digits as its factorization.
13044023441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2484642.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 13044023441 its reverse (14432044031), we get a palindrome (27476067472).
The spelling of 13044023441 in words is "thirteen billion, forty-four million, twenty-three thousand, four hundred forty-one".
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