Base | Representation |
---|---|
bin | 1111100000110… |
… | …10010100001100 |
3 | 100001212100110112 |
4 | 13300122110030 |
5 | 231303144322 |
6 | 20525055152 |
7 | 3140045201 |
oct | 760322414 |
9 | 301770415 |
10 | 130131212 |
11 | 67501562 |
12 | 376b74b8 |
13 | 20c63423 |
14 | 133d5ca8 |
15 | b6575e2 |
hex | 7c1a50c |
130131212 has 24 divisors (see below), whose sum is σ = 233885232. Its totient is φ = 63315200.
The previous prime is 130131191. The next prime is 130131229. The reversal of 130131212 is 212131031.
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, 84683 + ... + 86205.
It is an arithmetic number, because the mean of its divisors is an integer number (9745218).
Almost surely, 2130131212 is an apocalyptic number.
It is an amenable number.
130131212 is a deficient number, since it is larger than the sum of its proper divisors (103754020).
130131212 is a wasteful number, since it uses less digits than its factorization.
130131212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2089 (or 2087 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 130131212 is about 11407.5068266471. The cubic root of 130131212 is about 506.7500787956.
Adding to 130131212 its reverse (212131031), we get a palindrome (342262243).
The spelling of 130131212 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred twelve".
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