Base | Representation |
---|---|
bin | 11000001110000110… |
… | …00011110011100111 |
3 | 1020120012201011210121 |
4 | 30013003003303213 |
5 | 203112301110143 |
6 | 5550142302411 |
7 | 640141622023 |
oct | 140703036347 |
9 | 36505634717 |
10 | 13003144423 |
11 | 5572a32955 |
12 | 262a887a07 |
13 | 12c2c32cc9 |
14 | 8b4d47383 |
15 | 5118737ed |
hex | 3070c3ce7 |
13003144423 has 4 divisors (see below), whose sum is σ = 13004001448. Its totient is φ = 13002287400.
The previous prime is 13003144417. The next prime is 13003144457. The reversal of 13003144423 is 32444130031.
13003144423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32444130031 = 59 ⋅549900509.
It is a cyclic number.
It is not a de Polignac number, because 13003144423 - 29 = 13003143911 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13003144403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405336 + ... + 436237.
It is an arithmetic number, because the mean of its divisors is an integer number (3251000362).
Almost surely, 213003144423 is an apocalyptic number.
13003144423 is a deficient number, since it is larger than the sum of its proper divisors (857025).
13003144423 is an equidigital number, since it uses as much as digits as its factorization.
13003144423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 857024.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 13003144423 its reverse (32444130031), we get a palindrome (45447274454).
The spelling of 13003144423 in words is "thirteen billion, three million, one hundred forty-four thousand, four hundred twenty-three".
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