Base | Representation |
---|---|
bin | 1111100001010… |
… | …11111010111001 |
3 | 100002000000101020 |
4 | 13300223322321 |
5 | 231313001241 |
6 | 20530413053 |
7 | 3140465343 |
oct | 760537271 |
9 | 302000336 |
10 | 130203321 |
11 | 67550756 |
12 | 37731189 |
13 | 20c8a1b1 |
14 | 13414293 |
15 | b66db66 |
hex | 7c2beb9 |
130203321 has 16 divisors (see below), whose sum is σ = 175570944. Its totient is φ = 85824144.
The previous prime is 130203287. The next prime is 130203329. The reversal of 130203321 is 123302031.
It is not a de Polignac number, because 130203321 - 211 = 130201273 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130203321.
It is not an unprimeable number, because it can be changed into a prime (130203329) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 214200 + ... + 214806.
It is an arithmetic number, because the mean of its divisors is an integer number (10973184).
Almost surely, 2130203321 is an apocalyptic number.
It is an amenable number.
130203321 is a deficient number, since it is larger than the sum of its proper divisors (45367623).
130203321 is a wasteful number, since it uses less digits than its factorization.
130203321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1300.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 130203321 is about 11410.6669831347. Note that the first 3 decimals coincide. The cubic root of 130203321 is about 506.8436625293.
Adding to 130203321 its reverse (123302031), we get a palindrome (253505352).
The spelling of 130203321 in words is "one hundred thirty million, two hundred three thousand, three hundred twenty-one".
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