Base | Representation |
---|---|
bin | 110010000101… |
… | …100100111011 |
3 | 220201002000220 |
4 | 302011210323 |
5 | 11330130133 |
6 | 1145231123 |
7 | 216414003 |
oct | 62054473 |
9 | 26632026 |
10 | 13130043 |
11 | 7458883 |
12 | 44924a3 |
13 | 2949474 |
14 | 1a5b003 |
15 | 12455b3 |
hex | c8593b |
13130043 has 4 divisors (see below), whose sum is σ = 17506728. Its totient is φ = 8753360.
The previous prime is 13130027. The next prime is 13130053. The reversal of 13130043 is 34003131.
13130043 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13130043 - 24 = 13130027 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13130003) 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, 2188338 + ... + 2188343.
It is an arithmetic number, because the mean of its divisors is an integer number (4376682).
Almost surely, 213130043 is an apocalyptic number.
13130043 is a deficient number, since it is larger than the sum of its proper divisors (4376685).
13130043 is an equidigital number, since it uses as much as digits as its factorization.
13130043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4376684.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 13130043 is about 3623.5401198276. The cubic root of 13130043 is about 235.9149063610.
Adding to 13130043 its reverse (34003131), we get a palindrome (47133174).
The spelling of 13130043 in words is "thirteen million, one hundred thirty thousand, forty-three".
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