Base | Representation |
---|---|
bin | 11000010000001111… |
… | …11110101010111011 |
3 | 1020121110201001221001 |
4 | 30020013332222323 |
5 | 203131412230243 |
6 | 5552025425431 |
7 | 640451320141 |
oct | 141007765273 |
9 | 36543631831 |
10 | 13021211323 |
11 | 558215287a |
12 | 263493b277 |
13 | 12c68ba593 |
14 | 8b74cb591 |
15 | 513241a4d |
hex | 3081feabb |
13021211323 has 8 divisors (see below), whose sum is σ = 13698529200. Its totient is φ = 12359114208.
The previous prime is 13021211311. The next prime is 13021211327. The reversal of 13021211323 is 32311212031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13021211323 - 217 = 13021080251 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 13021211323.
It is not an unprimeable number, because it can be changed into a prime (13021211327) 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, 3803436 + ... + 3806857.
It is an arithmetic number, because the mean of its divisors is an integer number (1712316150).
Almost surely, 213021211323 is an apocalyptic number.
13021211323 is a deficient number, since it is larger than the sum of its proper divisors (677317877).
13021211323 is an equidigital number, since it uses as much as digits as its factorization.
13021211323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7610381.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13021211323 its reverse (32311212031), we get a palindrome (45332423354).
The spelling of 13021211323 in words is "thirteen billion, twenty-one million, two hundred eleven thousand, three hundred twenty-three".
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