Base | Representation |
---|---|
bin | 11000010000001001… |
… | …00111110000011001 |
3 | 1020121102001100101201 |
4 | 30020010213300121 |
5 | 203131201043113 |
6 | 5551554514201 |
7 | 640440662533 |
oct | 141004476031 |
9 | 36542040351 |
10 | 13020331033 |
11 | 5581701466 |
12 | 2634595961 |
13 | 12c666c9b8 |
14 | 8b733c853 |
15 | 51311acdd |
hex | 308127c19 |
13020331033 has 8 divisors (see below), whose sum is σ = 13217913440. Its totient is φ = 12825701460.
The previous prime is 13020331013. The next prime is 13020331063. The reversal of 13020331033 is 33013302031.
It is not a de Polignac number, because 13020331033 - 221 = 13018233881 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 13020331033.
It is not an unprimeable number, because it can be changed into a prime (13020331003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279118 + ... + 322408.
It is an arithmetic number, because the mean of its divisors is an integer number (1652239180).
Almost surely, 213020331033 is an apocalyptic number.
It is an amenable number.
13020331033 is a deficient number, since it is larger than the sum of its proper divisors (197582407).
13020331033 is an frugal number, since it uses more digits than its factorization.
13020331033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43492 (or 43358 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 13020331033 its reverse (33013302031), we get a palindrome (46033633064).
The spelling of 13020331033 in words is "thirteen billion, twenty million, three hundred thirty-one thousand, thirty-three".
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