Base | Representation |
---|---|
bin | 1100001110011001100110… |
… | …1000111001101110001101 |
3 | 1202120222221100200000011100 |
4 | 3003212121220321232031 |
5 | 3230211223224233141 |
6 | 44330542003213313 |
7 | 2555055436311141 |
oct | 303463150715615 |
9 | 52528840600140 |
10 | 13441530305421 |
11 | 431258048a259 |
12 | 1611085377239 |
13 | 7666b941c27a |
14 | 346805b07221 |
15 | 1849a209b0b6 |
hex | c3999a39b8d |
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".
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