Base | Representation |
---|---|
bin | 1111100000111… |
… | …01101110111100 |
3 | 100001220001200001 |
4 | 13300131232330 |
5 | 231304121322 |
6 | 20525244044 |
7 | 3140134051 |
oct | 760355674 |
9 | 301801601 |
10 | 130145212 |
11 | 6751102a |
12 | 37703624 |
13 | 20c69902 |
14 | 133db028 |
15 | b65b827 |
hex | 7c1dbbc |
130145212 has 12 divisors (see below), whose sum is σ = 239741320. Its totient is φ = 61647696.
The previous prime is 130145207. The next prime is 130145221. The reversal of 130145212 is 212541031.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 130145212.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 856143 + ... + 856294.
Almost surely, 2130145212 is an apocalyptic number.
It is an amenable number.
130145212 is a deficient number, since it is larger than the sum of its proper divisors (109596108).
130145212 is a wasteful number, since it uses less digits than its factorization.
130145212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1712460 (or 1712458 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 130145212 is about 11408.1204411594. The cubic root of 130145212 is about 506.7682508303.
Adding to 130145212 its reverse (212541031), we get a palindrome (342686243).
The spelling of 130145212 in words is "one hundred thirty million, one hundred forty-five thousand, two hundred twelve".
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