Base | Representation |
---|---|
bin | 11001000011011010… |
… | …10111100111000101 |
3 | 1021201101101022101011 |
4 | 30201231113213011 |
5 | 210021303140310 |
6 | 10102401402221 |
7 | 654212611063 |
oct | 144155274705 |
9 | 37641338334 |
10 | 13450443205 |
11 | 5782474071 |
12 | 2734639371 |
13 | 13647c5344 |
14 | 918501033 |
15 | 53ac7b78a |
hex | 321b579c5 |
13450443205 has 8 divisors (see below), whose sum is σ = 16300339704. Its totient is φ = 10653816000.
The previous prime is 13450443199. The next prime is 13450443329. The reversal of 13450443205 is 50234405431.
It can be written as a sum of positive squares in 4 ways, for example, as 9023670049 + 4426773156 = 94993^2 + 66534^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13450443205 - 27 = 13450443077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13316766 + ... + 13317775.
It is an arithmetic number, because the mean of its divisors is an integer number (2037542463).
Almost surely, 213450443205 is an apocalyptic number.
It is an amenable number.
13450443205 is a deficient number, since it is larger than the sum of its proper divisors (2849896499).
13450443205 is a wasteful number, since it uses less digits than its factorization.
13450443205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26634647.
The product of its (nonzero) digits is 28800, while the sum is 31.
Adding to 13450443205 its reverse (50234405431), we get a palindrome (63684848636).
The spelling of 13450443205 in words is "thirteen billion, four hundred fifty million, four hundred forty-three thousand, two hundred five".
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