Base | Representation |
---|---|
bin | 1111100011001… |
… | …10111011010100 |
3 | 100002110021220202 |
4 | 13301212323110 |
5 | 231343220022 |
6 | 20535520032 |
7 | 3142523105 |
oct | 761467324 |
9 | 302407822 |
10 | 130445012 |
11 | 676a62a5 |
12 | 37829018 |
13 | 210431c9 |
14 | 134783ac |
15 | b6ba592 |
hex | 7c66ed4 |
130445012 has 24 divisors (see below), whose sum is σ = 242411904. Its totient is φ = 61206912.
The previous prime is 130445009. The next prime is 130445057. The reversal of 130445012 is 210544031.
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, 22343 + ... + 27569.
It is an arithmetic number, because the mean of its divisors is an integer number (10100496).
Almost surely, 2130445012 is an apocalyptic number.
It is an amenable number.
130445012 is a deficient number, since it is larger than the sum of its proper divisors (111966892).
130445012 is a wasteful number, since it uses less digits than its factorization.
130445012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5615 (or 5613 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 130445012 is about 11421.2526458353. The cubic root of 130445012 is about 507.1570796060.
Adding to 130445012 its reverse (210544031), we get a palindrome (340989043).
The spelling of 130445012 in words is "one hundred thirty million, four hundred forty-five thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •