Base | Representation |
---|---|
bin | 11001010010111111… |
… | …11010101111000101 |
3 | 1022001111022010112012 |
4 | 30221133322233011 |
5 | 210303232303124 |
6 | 10123350504005 |
7 | 660360512105 |
oct | 145137725705 |
9 | 38044263465 |
10 | 13581134789 |
11 | 583a218642 |
12 | 2770365005 |
13 | 13858c3841 |
14 | 92ba01205 |
15 | 547494e0e |
hex | 3297fabc5 |
13581134789 has 8 divisors (see below), whose sum is σ = 13953193248. Its totient is φ = 13209339600.
The previous prime is 13581134767. The next prime is 13581134807. The reversal of 13581134789 is 98743118531.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13581134789 - 28 = 13581134533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13581134759) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41114 + ... + 169860.
It is an arithmetic number, because the mean of its divisors is an integer number (1744149156).
Almost surely, 213581134789 is an apocalyptic number.
It is an amenable number.
13581134789 is a deficient number, since it is larger than the sum of its proper divisors (372058459).
13581134789 is a wasteful number, since it uses less digits than its factorization.
13581134789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131635.
The product of its digits is 725760, while the sum is 50.
The spelling of 13581134789 in words is "thirteen billion, five hundred eighty-one million, one hundred thirty-four thousand, seven hundred eighty-nine".
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