Base | Representation |
---|---|
bin | 11000100101111101… |
… | …01011010010100101 |
3 | 1021002011101020211201 |
4 | 30102332223102211 |
5 | 204020022301041 |
6 | 10022053002501 |
7 | 645122246131 |
oct | 142276532245 |
9 | 37064336751 |
10 | 13203322021 |
11 | 5665a2728a |
12 | 2685923431 |
13 | 13255500a6 |
14 | 8d37743c1 |
15 | 524215631 |
hex | 312fab4a5 |
13203322021 has 8 divisors (see below), whose sum is σ = 13428908640. Its totient is φ = 12977795568.
The previous prime is 13203322009. The next prime is 13203322039. The reversal of 13203322021 is 12022330231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13203322021 - 223 = 13194933413 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 13203322021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13203322001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803530 + ... + 819796.
It is an arithmetic number, because the mean of its divisors is an integer number (1678613580).
Almost surely, 213203322021 is an apocalyptic number.
It is an amenable number.
13203322021 is a deficient number, since it is larger than the sum of its proper divisors (225586619).
13203322021 is a wasteful number, since it uses less digits than its factorization.
13203322021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30083.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 13203322021 its reverse (12022330231), we get a palindrome (25225652252).
The spelling of 13203322021 in words is "thirteen billion, two hundred three million, three hundred twenty-two thousand, twenty-one".
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