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13449034889 = 733159711489
BaseRepresentation
bin11001000011001111…
…11111110010001001
31021201021201202112022
430201213333302021
5210020423104024
610102311254225
7654164624153
oct144147776211
937637652468
1013449034889
1157816a1a74
12273407a375
131364421314
14918255ad3
1553aa9e35e
hex3219ffc89

13449034889 has 8 divisors (see below), whose sum is σ = 13476988680. Its totient is φ = 13421108736.

The previous prime is 13449034853. The next prime is 13449034891. The reversal of 13449034889 is 98843094431.

It can be written as a sum of positive squares in 4 ways, for example, as 2085474889 + 11363560000 = 45667^2 + 106600^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13449034889 - 224 = 13432257673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13449034889.

It is not an unprimeable number, because it can be changed into a prime (13449033889) 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 in 7 ways as a sum of consecutive naturals, for example, 1164857 + ... + 1176345.

It is an arithmetic number, because the mean of its divisors is an integer number (1684623585).

Almost surely, 213449034889 is an apocalyptic number.

It is an amenable number.

13449034889 is a deficient number, since it is larger than the sum of its proper divisors (27953791).

13449034889 is a wasteful number, since it uses less digits than its factorization.

13449034889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 13449034889 in words is "thirteen billion, four hundred forty-nine million, thirty-four thousand, eight hundred eighty-nine".

Divisors: 1 733 1597 11489 1170601 8421437 18347933 13449034889