Base | Representation |
---|---|
bin | 11100001001010100… |
… | …000010110000111111 |
3 | 2220000011011220010022 |
4 | 130021110002300333 |
5 | 443343040121343 |
6 | 21514445202355 |
7 | 2116622301452 |
oct | 341124026077 |
9 | 86004156108 |
10 | 30221020223 |
11 | 118a8a83879 |
12 | 5a34b603bb |
13 | 2b080cbcb4 |
14 | 166993d499 |
15 | bbd236568 |
hex | 709502c3f |
30221020223 has 8 divisors (see below), whose sum is σ = 31578854400. Its totient is φ = 28866842488.
The previous prime is 30221020183. The next prime is 30221020229. The reversal of 30221020223 is 32202012203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30221020223 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 (30221020229) 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, 897203 + ... + 930276.
It is an arithmetic number, because the mean of its divisors is an integer number (3947356800).
Almost surely, 230221020223 is an apocalyptic number.
30221020223 is a deficient number, since it is larger than the sum of its proper divisors (1357834177).
30221020223 is a wasteful number, since it uses less digits than its factorization.
30221020223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1828221.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 30221020223 its reverse (32202012203), we get a palindrome (62423032426).
The spelling of 30221020223 in words is "thirty billion, two hundred twenty-one million, twenty thousand, two hundred twenty-three".
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