Base | Representation |
---|---|
bin | 11000010000001000… |
… | …01000100101000101 |
3 | 1020121101210212020002 |
4 | 30020010020211011 |
5 | 203131133001313 |
6 | 5551552051045 |
7 | 640436621324 |
oct | 141004104505 |
9 | 36541725202 |
10 | 13020203333 |
11 | 5581624525 |
12 | 2634533a85 |
13 | 12c6626837 |
14 | 8b73080bb |
15 | 5130e3058 |
hex | 308108945 |
13020203333 has 4 divisors (see below), whose sum is σ = 13076084268. Its totient is φ = 12964322400.
The previous prime is 13020203327. The next prime is 13020203351. The reversal of 13020203333 is 33330202031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33330202031 = 7 ⋅4761457433.
It can be written as a sum of positive squares in 2 ways, for example, as 2346627364 + 10673575969 = 48442^2 + 103313^2 .
It is a cyclic number.
It is not a de Polignac number, because 13020203333 - 26 = 13020203269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020203303) 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, 27940118 + ... + 27940583.
It is an arithmetic number, because the mean of its divisors is an integer number (3269021067).
Almost surely, 213020203333 is an apocalyptic number.
It is an amenable number.
13020203333 is a deficient number, since it is larger than the sum of its proper divisors (55880935).
13020203333 is an equidigital number, since it uses as much as digits as its factorization.
13020203333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55880934.
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 13020203333 its reverse (33330202031), we get a palindrome (46350405364).
The spelling of 13020203333 in words is "thirteen billion, twenty million, two hundred three thousand, three hundred thirty-three".
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