Base | Representation |
---|---|
bin | 11000101000000101… |
… | …11111011010001111 |
3 | 1021010102002002021110 |
4 | 30110002333122033 |
5 | 204034113331343 |
6 | 10023532503103 |
7 | 645430413465 |
oct | 142402773217 |
9 | 37112062243 |
10 | 13221230223 |
11 | 5675048a53 |
12 | 268b91aa93 |
13 | 1329180366 |
14 | 8d5cb6835 |
15 | 525aa1833 |
hex | 3140bf68f |
13221230223 has 8 divisors (see below), whose sum is σ = 17632624000. Its totient is φ = 8811994968.
The previous prime is 13221230201. The next prime is 13221230233. The reversal of 13221230223 is 32203212231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13221230223 - 210 = 13221229199 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 13221230223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13221230233) 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, 525283 + ... + 549876.
It is an arithmetic number, because the mean of its divisors is an integer number (2204078000).
Almost surely, 213221230223 is an apocalyptic number.
13221230223 is a deficient number, since it is larger than the sum of its proper divisors (4411393777).
13221230223 is a wasteful number, since it uses less digits than its factorization.
13221230223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1079261.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13221230223 its reverse (32203212231), we get a palindrome (45424442454).
The spelling of 13221230223 in words is "thirteen billion, two hundred twenty-one million, two hundred thirty thousand, two hundred twenty-three".
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