Base | Representation |
---|---|
bin | 1100001101001010100001… |
… | …1110010010100101101101 |
3 | 1202111222011002021111222212 |
4 | 3003102220132102211231 |
5 | 3224334240403023303 |
6 | 44313111441220205 |
7 | 2553404436525005 |
oct | 303225036224555 |
9 | 52458132244885 |
10 | 13420304345453 |
11 | 4304578a33385 |
12 | 1608b40931665 |
13 | 7646b5a61045 |
14 | 345790a95005 |
15 | 18415d8b7ad8 |
hex | c34a879296d |
13420304345453 has 4 divisors (see below), whose sum is σ = 13476456246720. Its totient is φ = 13364152444188.
The previous prime is 13420304345429. The next prime is 13420304345489. The reversal of 13420304345453 is 35454340302431.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13420304345453 - 28 = 13420304345197 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 13420304345453.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13420304375453) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28075950275 + ... + 28075950752.
It is an arithmetic number, because the mean of its divisors is an integer number (3369114061680).
Almost surely, 213420304345453 is an apocalyptic number.
It is an amenable number.
13420304345453 is a deficient number, since it is larger than the sum of its proper divisors (56151901267).
13420304345453 is an equidigital number, since it uses as much as digits as its factorization.
13420304345453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56151901266.
The product of its (nonzero) digits is 1036800, while the sum is 41.
Adding to 13420304345453 its reverse (35454340302431), we get a palindrome (48874644647884).
The spelling of 13420304345453 in words is "thirteen trillion, four hundred twenty billion, three hundred four million, three hundred forty-five thousand, four hundred fifty-three".
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