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13281140489 is a prime number
BaseRepresentation
bin11000101111001111…
…00001111100001001
31021021120210211201012
430113213201330021
5204144432443424
610033512533305
7650055555131
oct142747417411
937246724635
1013281140489
1156a5948471
1226a79b1235
1313386c8516
148ddc2dac1
1552ae87b0e
hex3179e1f09

13281140489 has 2 divisors, whose sum is σ = 13281140490. Its totient is φ = 13281140488.

The previous prime is 13281140471. The next prime is 13281140513. The reversal of 13281140489 is 98404118231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6758155264 + 6522985225 = 82208^2 + 80765^2 .

It is a cyclic number.

It is not a de Polignac number, because 13281140489 - 216 = 13281074953 is a prime.

It is not a weakly prime, because it can be changed into another prime (13281140419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640570244 + 6640570245.

It is an arithmetic number, because the mean of its divisors is an integer number (6640570245).

Almost surely, 213281140489 is an apocalyptic number.

It is an amenable number.

13281140489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13281140489 is an equidigital number, since it uses as much as digits as its factorization.

13281140489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 13281140489 in words is "thirteen billion, two hundred eighty-one million, one hundred forty thousand, four hundred eighty-nine".