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13030141 = 106112281
BaseRepresentation
bin110001101101…
…001011111101
3220111222222211
4301231023331
511313431031
61143140421
7215516515
oct61551375
926458884
1013030141
11739a813
124444711
132912b57
141a32845
151225bb1
hexc6d2fd

13030141 has 4 divisors (see below), whose sum is σ = 13043484. Its totient is φ = 13016800.

The previous prime is 13030123. The next prime is 13030151. The reversal of 13030141 is 14103031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10106041 + 2924100 = 3179^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 13030141 - 219 = 12505853 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 (13030151) 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, 5080 + ... + 7201.

It is an arithmetic number, because the mean of its divisors is an integer number (3260871).

Almost surely, 213030141 is an apocalyptic number.

It is an amenable number.

13030141 is a deficient number, since it is larger than the sum of its proper divisors (13343).

13030141 is a wasteful number, since it uses less digits than its factorization.

13030141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13342.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13030141 is about 3609.7286601627. The cubic root of 13030141 is about 235.3150505065.

Adding to 13030141 its reverse (14103031), we get a palindrome (27133172).

The spelling of 13030141 in words is "thirteen million, thirty thousand, one hundred forty-one".

Divisors: 1 1061 12281 13030141