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130143 = 3134771
BaseRepresentation
bin11111110001011111
320121112010
4133301133
513131033
62442303
71051266
oct376137
9217463
10130143
1189862
1263393
1347310
14355dd
1528863
hex1fc5f

130143 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 77280.

The previous prime is 130127. The next prime is 130147. The reversal of 130143 is 341031.

It is not a de Polignac number, because 130143 - 24 = 130127 is a prime.

130143 is a modest number, since divided by 143 gives 13 as remainder.

130143 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2130143 is an apocalyptic number.

130143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130143 is a deficient number, since it is larger than the sum of its proper divisors (63393).

130143 is a wasteful number, since it uses less digits than its factorization.

130143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130143 is about 360.7533783626. The cubic root of 130143 is about 50.6765379736.

Adding to 130143 its reverse (341031), we get a palindrome (471174).

The spelling of 130143 in words is "one hundred thirty thousand, one hundred forty-three".

Divisors: 1 3 13 39 47 71 141 213 611 923 1833 2769 3337 10011 43381 130143