Base | Representation |
---|---|
bin | 1100111111110111110… |
… | …1111010111101010101 |
3 | 210100101110020201001201 |
4 | 3033331331322331111 |
5 | 12124311333400041 |
6 | 250330131552501 |
7 | 22063454245060 |
oct | 3177575727525 |
9 | 710343221051 |
10 | 223304200021 |
11 | 86780443641 |
12 | 3734015b731 |
13 | 18099419a46 |
14 | ab451578d7 |
15 | 5c1e322631 |
hex | 33fdf7af55 |
223304200021 has 16 divisors (see below), whose sum is σ = 263536967680. Its totient is φ = 185159150640.
The previous prime is 223304199953. The next prime is 223304200039. The reversal of 223304200021 is 120002403322.
It is a cyclic number.
It is not a de Polignac number, because 223304200021 - 213 = 223304191829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223304200081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383500 + ... + 770506.
It is an arithmetic number, because the mean of its divisors is an integer number (16471060480).
Almost surely, 2223304200021 is an apocalyptic number.
It is an amenable number.
223304200021 is a deficient number, since it is larger than the sum of its proper divisors (40232767659).
223304200021 is a wasteful number, since it uses less digits than its factorization.
223304200021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389704.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 223304200021 its reverse (120002403322), we get a palindrome (343306603343).
The spelling of 223304200021 in words is "two hundred twenty-three billion, three hundred four million, two hundred thousand, twenty-one".
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