Base | Representation |
---|---|
bin | 1111100001010… |
… | …11111101111110 |
3 | 100002000000122112 |
4 | 13300223331332 |
5 | 231313003033 |
6 | 20530414022 |
7 | 3140466044 |
oct | 760537576 |
9 | 302000575 |
10 | 130203518 |
11 | 67550915 |
12 | 37731312 |
13 | 20c8a303 |
14 | 13414394 |
15 | b66dc48 |
hex | 7c2bf7e |
130203518 has 8 divisors (see below), whose sum is σ = 200583912. Its totient is φ = 63342216.
The previous prime is 130203517. The next prime is 130203539. The reversal of 130203518 is 815302031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 130203493 and 130203502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130203517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879680 + ... + 879827.
It is an arithmetic number, because the mean of its divisors is an integer number (25072989).
Almost surely, 2130203518 is an apocalyptic number.
130203518 is a deficient number, since it is larger than the sum of its proper divisors (70380394).
130203518 is a wasteful number, since it uses less digits than its factorization.
130203518 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1759546.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 130203518 is about 11410.6756154051. The cubic root of 130203518 is about 506.8439181504.
Adding to 130203518 its reverse (815302031), we get a palindrome (945505549).
The spelling of 130203518 in words is "one hundred thirty million, two hundred three thousand, five hundred eighteen".
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