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13030130 = 251303013
BaseRepresentation
bin110001101101…
…001011110010
3220111222222102
4301231023302
511313431010
61143140402
7215516501
oct61551362
926458872
1013030130
11739a803
124444702
132912b49
141a32838
151225ba5
hexc6d2f2

13030130 has 8 divisors (see below), whose sum is σ = 23454252. Its totient is φ = 5212048.

The previous prime is 13030123. The next prime is 13030151. The reversal of 13030130 is 3103031.

It can be written as a sum of positive squares in 2 ways, for example, as 11826721 + 1203409 = 3439^2 + 1097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 651497 + ... + 651516.

Almost surely, 213030130 is an apocalyptic number.

13030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13030130 is a deficient number, since it is larger than the sum of its proper divisors (10424122).

13030130 is a wasteful number, since it uses less digits than its factorization.

13030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303020.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13030130 is about 3609.7271365021. The cubic root of 13030130 is about 235.3149842891.

Adding to 13030130 its reverse (3103031), we get a palindrome (16133161).

The spelling of 13030130 in words is "thirteen million, thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 1303013 2606026 6515065 13030130