Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11100001110010100 |
3 | 1021221000100022020101 |
4 | 30212201130032110 |
5 | 210202441434302 |
6 | 10114404343444 |
7 | 656213215555 |
oct | 144641341624 |
9 | 37830308211 |
10 | 13531202452 |
11 | 5814013749 |
12 | 27576a4b84 |
13 | 1378460191 |
14 | 92512432c |
15 | 542dd0287 |
hex | 32685c394 |
13531202452 has 48 divisors (see below), whose sum is σ = 24782708160. Its totient is φ = 6456183552.
The previous prime is 13531202449. The next prime is 13531202453. The reversal of 13531202452 is 25420213531.
It is a self number, because there is not a number n which added to its sum of digits gives 13531202452.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531202453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788368 + ... + 6790360.
It is an arithmetic number, because the mean of its divisors is an integer number (516306420).
Almost surely, 213531202452 is an apocalyptic number.
It is an amenable number.
13531202452 is a deficient number, since it is larger than the sum of its proper divisors (11251505708).
13531202452 is a wasteful number, since it uses less digits than its factorization.
13531202452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2680 (or 2678 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 13531202452 its reverse (25420213531), we get a palindrome (38951415983).
The spelling of 13531202452 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, four hundred fifty-two".
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