Base | Representation |
---|---|
bin | 11000101010111100… |
… | …01011100100101001 |
3 | 1021012002001120122221 |
4 | 30111132023210221 |
5 | 204111223311040 |
6 | 10030145114041 |
7 | 646140535234 |
oct | 142536134451 |
9 | 37162046587 |
10 | 13245135145 |
11 | 5687596090 |
12 | 2697928921 |
13 | 13310ccc98 |
14 | 8d913a41b |
15 | 527c2474a |
hex | 31578b929 |
13245135145 has 32 divisors (see below), whose sum is σ = 17540087040. Its totient is φ = 9521418240.
The previous prime is 13245135139. The next prime is 13245135173. The reversal of 13245135145 is 54153154231.
13245135145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13245135145 - 27 = 13245135017 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13245135145.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 8231101 + ... + 8232709.
It is an arithmetic number, because the mean of its divisors is an integer number (548127720).
Almost surely, 213245135145 is an apocalyptic number.
It is an amenable number.
13245135145 is a deficient number, since it is larger than the sum of its proper divisors (4294951895).
13245135145 is a wasteful number, since it uses less digits than its factorization.
13245135145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3265.
The product of its digits is 36000, while the sum is 34.
Adding to 13245135145 its reverse (54153154231), we get a palindrome (67398289376).
The spelling of 13245135145 in words is "thirteen billion, two hundred forty-five million, one hundred thirty-five thousand, one hundred forty-five".
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