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13541361247 is a prime number
BaseRepresentation
bin11001001110010000…
…01100011001011111
31021221201110102111001
430213020030121133
5210213042024442
610115410211131
7656365446211
oct144710143137
937851412431
1013541361247
115819822147
12275ab83aa7
13137a5a90bb
1492660a5b1
15543c3a2b7
hex32720c65f

13541361247 has 2 divisors, whose sum is σ = 13541361248. Its totient is φ = 13541361246.

The previous prime is 13541361233. The next prime is 13541361257. The reversal of 13541361247 is 74216314531.

It is a happy number.

13541361247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (74216314531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13541361247 - 223 = 13532972639 is a prime.

It is a super-4 number, since 4×135413612474 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13541361257) 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, 6770680623 + 6770680624.

It is an arithmetic number, because the mean of its divisors is an integer number (6770680624).

Almost surely, 213541361247 is an apocalyptic number.

13541361247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541361247 is an equidigital number, since it uses as much as digits as its factorization.

13541361247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

Adding to 13541361247 its reverse (74216314531), we get a palindrome (87757675778).

The spelling of 13541361247 in words is "thirteen billion, five hundred forty-one million, three hundred sixty-one thousand, two hundred forty-seven".