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130103 = 281463
BaseRepresentation
bin11111110000110111
320121110122
4133300313
513130403
62442155
71051211
oct376067
9217418
10130103
1189826
126335b
13472ac
14355b1
1528838
hex1fc37

130103 has 4 divisors (see below), whose sum is σ = 130848. Its totient is φ = 129360.

The previous prime is 130099. The next prime is 130121. The reversal of 130103 is 301031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 301031 = 674493.

It is a cyclic number.

It is not a de Polignac number, because 130103 - 22 = 130099 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 (130183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (32712).

2130103 is an apocalyptic number.

130103 is a deficient number, since it is larger than the sum of its proper divisors (745).

130103 is an equidigital number, since it uses as much as digits as its factorization.

130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 130103 is about 360.6979345658. The cubic root of 130103 is about 50.6713455590.

Adding to 130103 its reverse (301031), we get a palindrome (431134).

The spelling of 130103 in words is "one hundred thirty thousand, one hundred three".

Divisors: 1 281 463 130103