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130543111 = 476145533
BaseRepresentation
bin1111100011111…
…10111000000111
3100002122021111001
413301332320013
5231404334421
620541554131
73143412106
oct761767007
9302567431
10130543111
1167762a76
1237875947
1321078a5a
14134a203d
15b6d9691
hex7c7ee07

130543111 has 8 divisors (see below), whose sum is σ = 135509184. Its totient is φ = 125668320.

The previous prime is 130543109. The next prime is 130543157. The reversal of 130543111 is 111345031.

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 130543111 - 21 = 130543109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130543711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19900 + ... + 25633.

It is an arithmetic number, because the mean of its divisors is an integer number (16938648).

Almost surely, 2130543111 is an apocalyptic number.

130543111 is a deficient number, since it is larger than the sum of its proper divisors (4966073).

130543111 is an equidigital number, since it uses as much as digits as its factorization.

130543111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45641.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 130543111 is about 11425.5464201937. The cubic root of 130543111 is about 507.2841807633.

Adding to 130543111 its reverse (111345031), we get a palindrome (241888142).

The spelling of 130543111 in words is "one hundred thirty million, five hundred forty-three thousand, one hundred eleven".

Divisors: 1 47 61 2867 45533 2140051 2777513 130543111