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13441530305421 = 322740615449529
BaseRepresentation
bin1100001110011001100110…
…1000111001101110001101
31202120222221100200000011100
43003212121220321232031
53230211223224233141
644330542003213313
72555055436311141
oct303463150715615
952528840600140
1013441530305421
11431258048a259
121611085377239
137666b941c27a
14346805b07221
151849a209b0b6
hexc3999a39b8d

13441530305421 has 12 divisors (see below), whose sum is σ = 19415618181180. Its totient is φ = 8960985862080.

The previous prime is 13441530305383. The next prime is 13441530305443. The reversal of 13441530305421 is 12450303514431.

13441530305421 is a `hidden beast` number, since 1 + 3 + 4 + 41 + 530 + 30 + 54 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10519092189225 + 2922438116196 = 3243315^2 + 1709514^2 .

It is not a de Polignac number, because 13441530305421 - 27 = 13441530305293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441530307421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258216 + ... + 5191313.

It is an arithmetic number, because the mean of its divisors is an integer number (1617968181765).

Almost surely, 213441530305421 is an apocalyptic number.

It is an amenable number.

13441530305421 is a deficient number, since it is larger than the sum of its proper divisors (5974087875759).

13441530305421 is a wasteful number, since it uses less digits than its factorization.

13441530305421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723596 (or 5723593 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13441530305421 its reverse (12450303514431), we get a palindrome (25891833819852).

The spelling of 13441530305421 in words is "thirteen trillion, four hundred forty-one billion, five hundred thirty million, three hundred five thousand, four hundred twenty-one".

Divisors: 1 3 9 274061 822183 2466549 5449529 16348587 49045761 1493503367269 4480510101807 13441530305421