Base | Representation |
---|---|
bin | 11000100101111010… |
… | …11100111111100001 |
3 | 1021002010202221220122 |
4 | 30102331130333201 |
5 | 204014432020223 |
6 | 10022042050025 |
7 | 645116442125 |
oct | 142275347741 |
9 | 37063687818 |
10 | 13203001313 |
11 | 5665828337 |
12 | 26857a9915 |
13 | 132546a118 |
14 | 8d36cd585 |
15 | 5241a05c8 |
hex | 312f5cfe1 |
13203001313 has 4 divisors (see below), whose sum is σ = 13204147908. Its totient is φ = 13201854720.
The previous prime is 13203001291. The next prime is 13203001373. The reversal of 13203001313 is 31310030231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31310030231 = 145687 ⋅214913.
It can be written as a sum of positive squares in 2 ways, for example, as 9945673984 + 3257327329 = 99728^2 + 57073^2 .
It is a cyclic number.
It is not a de Polignac number, because 13203001313 - 220 = 13201952737 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13203001291 and 13203001300.
It is not an unprimeable number, because it can be changed into a prime (13203001373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555848 + ... + 579113.
It is an arithmetic number, because the mean of its divisors is an integer number (3301036977).
Almost surely, 213203001313 is an apocalyptic number.
It is an amenable number.
13203001313 is a deficient number, since it is larger than the sum of its proper divisors (1146595).
13203001313 is a wasteful number, since it uses less digits than its factorization.
13203001313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1146594.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 13203001313 its reverse (31310030231), we get a palindrome (44513031544).
The spelling of 13203001313 in words is "thirteen billion, two hundred three million, one thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •