Base | Representation |
---|---|
bin | 1111100001011… |
… | …00011100111100 |
3 | 100002000010100221 |
4 | 13300230130330 |
5 | 231313034000 |
6 | 20530431124 |
7 | 3140504605 |
oct | 760543474 |
9 | 302003327 |
10 | 130205500 |
11 | 67552357 |
12 | 377324a4 |
13 | 20c8b199 |
14 | 13414dac |
15 | b66e61a |
hex | 7c2c73c |
130205500 has 24 divisors (see below), whose sum is σ = 284369904. Its totient is φ = 52082000.
The previous prime is 130205483. The next prime is 130205513. The reversal of 130205500 is 5502031.
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, 129706 + ... + 130705.
It is an arithmetic number, because the mean of its divisors is an integer number (11848746).
Almost surely, 2130205500 is an apocalyptic number.
130205500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130205500 is an abundant number, since it is smaller than the sum of its proper divisors (154164404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130205500 is a wasteful number, since it uses less digits than its factorization.
130205500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260430 (or 260418 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 130205500 is about 11410.7624635692. The cubic root of 130205500 is about 506.8464899179.
Adding to 130205500 its reverse (5502031), we get a palindrome (135707531).
The spelling of 130205500 in words is "one hundred thirty million, two hundred five thousand, five hundred".
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