Base | Representation |
---|---|
bin | 110001101000… |
… | …110001001011 |
3 | 220111002011112 |
4 | 301220301023 |
5 | 11312341133 |
6 | 1142520535 |
7 | 215412662 |
oct | 61506113 |
9 | 26432145 |
10 | 13012043 |
11 | 7388160 |
12 | 443614b |
13 | 2907845 |
14 | 1a29dd9 |
15 | 1220648 |
hex | c68c4b |
13012043 has 8 divisors (see below), whose sum is σ = 14812416. Its totient is φ = 11314600.
The previous prime is 13012019. The next prime is 13012061. The reversal of 13012043 is 34021031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13012043 - 28 = 13011787 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13012243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25463 + ... + 25968.
It is an arithmetic number, because the mean of its divisors is an integer number (1851552).
Almost surely, 213012043 is an apocalyptic number.
13012043 is a deficient number, since it is larger than the sum of its proper divisors (1800373).
13012043 is a wasteful number, since it uses less digits than its factorization.
13012043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51465.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 13012043 is about 3607.2209524785. The cubic root of 13012043 is about 235.2060543720.
Adding to 13012043 its reverse (34021031), we get a palindrome (47033074).
The spelling of 13012043 in words is "thirteen million, twelve thousand, forty-three".
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