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13552739891 is a prime number
BaseRepresentation
bin11001001111100111…
…00110011000110011
31021222111212112001022
430213303212120303
5210224000134031
610120454130055
7656564250125
oct144763463063
937874775038
1013552739891
115825194089
12276295092b
13137ca61322
14927d2d215
15544c3697b
hex327ce6633

13552739891 has 2 divisors, whose sum is σ = 13552739892. Its totient is φ = 13552739890.

The previous prime is 13552739831. The next prime is 13552739917. The reversal of 13552739891 is 19893725531.

It is a strong prime.

It is an emirp because it is prime and its reverse (19893725531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13552739891 is a prime.

It is not a weakly prime, because it can be changed into another prime (13552739821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776369945 + 6776369946.

It is an arithmetic number, because the mean of its divisors is an integer number (6776369946).

Almost surely, 213552739891 is an apocalyptic number.

13552739891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13552739891 is an equidigital number, since it uses as much as digits as its factorization.

13552739891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 53.

The spelling of 13552739891 in words is "thirteen billion, five hundred fifty-two million, seven hundred thirty-nine thousand, eight hundred ninety-one".