Base | Representation |
---|---|
bin | 1111100001011… |
… | …00011010101001 |
3 | 100002000010011111 |
4 | 13300230122221 |
5 | 231313032403 |
6 | 20530430321 |
7 | 3140504305 |
oct | 760543251 |
9 | 302003144 |
10 | 130205353 |
11 | 67552233 |
12 | 377323a1 |
13 | 20c8b0b5 |
14 | 13414d05 |
15 | b66e56d |
hex | 7c2c6a9 |
130205353 has 4 divisors (see below), whose sum is σ = 131230720. Its totient is φ = 129179988.
The previous prime is 130205303. The next prime is 130205359. The reversal of 130205353 is 353502031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353502031 = 2693 ⋅131267.
It is a cyclic number.
It is not a de Polignac number, because 130205353 - 213 = 130197161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130205359) 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, 512493 + ... + 512746.
It is an arithmetic number, because the mean of its divisors is an integer number (32807680).
Almost surely, 2130205353 is an apocalyptic number.
It is an amenable number.
130205353 is a deficient number, since it is larger than the sum of its proper divisors (1025367).
130205353 is a wasteful number, since it uses less digits than its factorization.
130205353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1025366.
The product of its (nonzero) digits is 1350, while the sum is 22.
The square root of 130205353 is about 11410.7560222800. The cubic root of 130205353 is about 506.8462991772.
Adding to 130205353 its reverse (353502031), we get a palindrome (483707384).
The spelling of 130205353 in words is "one hundred thirty million, two hundred five thousand, three hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •