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13531141849 is a prime number
BaseRepresentation
bin11001001101000010…
…01101011011011001
31021221000020020002211
430212201031123121
5210202433014344
610114403155121
7656212544101
oct144641153331
937830206084
1013531141849
115813a82165
122757675aa1
13137843b714
1492510a201
15542dbc334
hex32684d6d9

13531141849 has 2 divisors, whose sum is σ = 13531141850. Its totient is φ = 13531141848.

The previous prime is 13531141837. The next prime is 13531141879. The reversal of 13531141849 is 94814113531.

13531141849 is digitally balanced in base 2, 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., 11620840000 + 1910301849 = 107800^2 + 43707^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531141849 - 211 = 13531139801 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531141879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765570924 + 6765570925.

It is an arithmetic number, because the mean of its divisors is an integer number (6765570925).

Almost surely, 213531141849 is an apocalyptic number.

It is an amenable number.

13531141849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531141849 is an equidigital number, since it uses as much as digits as its factorization.

13531141849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The spelling of 13531141849 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-one thousand, eight hundred forty-nine".