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13180429 is a prime number
BaseRepresentation
bin110010010001…
…111000001101
3220210122011001
4302101320031
511333233204
61150300301
7220013623
oct62217015
926718131
1013180429
117492719
1244b7691
132966392
141a71513
1512554a4
hexc91e0d

13180429 has 2 divisors, whose sum is σ = 13180430. Its totient is φ = 13180428.

The previous prime is 13180421. The next prime is 13180459. The reversal of 13180429 is 92408131.

It is a happy number.

13180429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 5396329 = 2790^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 13180429 - 23 = 13180421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13180397 and 13180406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13180421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590214 + 6590215.

It is an arithmetic number, because the mean of its divisors is an integer number (6590215).

Almost surely, 213180429 is an apocalyptic number.

It is an amenable number.

13180429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13180429 is an equidigital number, since it uses as much as digits as its factorization.

13180429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13180429 is about 3630.4860556129. The cubic root of 13180429 is about 236.2162924204.

The spelling of 13180429 in words is "thirteen million, one hundred eighty thousand, four hundred twenty-nine".