Base | Representation |
---|---|
bin | 101110011011111100001100… |
… | …100001111111111010010101 |
3 | 222210010012211210111001210112 |
4 | 232123330030201333322111 |
5 | 203232101422213144341 |
6 | 2002210020403132405 |
7 | 61006100514205505 |
oct | 5633741441777225 |
9 | 883105753431715 |
10 | 204230200131221 |
11 | 5a08a5a5781750 |
12 | 1aaa5220974105 |
13 | 89c5a960707c4 |
14 | 3860b19ca7a05 |
15 | 189276997aaeb |
hex | b9bf0c87fe95 |
204230200131221 has 8 divisors (see below), whose sum is σ = 225299914344000. Its totient is φ = 183577707982240.
The previous prime is 204230200131211. The next prime is 204230200131263. The reversal of 204230200131221 is 122131002032402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-204230200131221 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 (204230200131211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104305514921 + ... + 104305516878.
It is an arithmetic number, because the mean of its divisors is an integer number (28162489293000).
Almost surely, 2204230200131221 is an apocalyptic number.
It is an amenable number.
204230200131221 is a deficient number, since it is larger than the sum of its proper divisors (21069714212779).
204230200131221 is a wasteful number, since it uses less digits than its factorization.
204230200131221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208611031899.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 204230200131221 its reverse (122131002032402), we get a palindrome (326361202163623).
The spelling of 204230200131221 in words is "two hundred four trillion, two hundred thirty billion, two hundred million, one hundred thirty-one thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.030 sec. • engine limits •