Base | Representation |
---|---|
bin | 1111100001101… |
… | …00111010111111 |
3 | 100002001212221210 |
4 | 13300310322333 |
5 | 231320141231 |
6 | 20531255503 |
7 | 3141011004 |
oct | 760647277 |
9 | 302055853 |
10 | 130240191 |
11 | 67576424 |
12 | 3774a593 |
13 | 20ca0c03 |
14 | 134238ab |
15 | b679a46 |
hex | 7c34ebf |
130240191 has 8 divisors (see below), whose sum is σ = 181203840. Its totient is φ = 83051672.
The previous prime is 130240183. The next prime is 130240219. The reversal of 130240191 is 191042031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130240191 - 23 = 130240183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130240171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943701 + ... + 943838.
It is an arithmetic number, because the mean of its divisors is an integer number (22650480).
Almost surely, 2130240191 is an apocalyptic number.
130240191 is a deficient number, since it is larger than the sum of its proper divisors (50963649).
130240191 is a wasteful number, since it uses less digits than its factorization.
130240191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1887565.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 130240191 is about 11412.2824623298. The cubic root of 130240191 is about 506.8914994100.
The spelling of 130240191 in words is "one hundred thirty million, two hundred forty thousand, one hundred ninety-one".
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