Base | Representation |
---|---|
bin | 11011111100010001… |
… | …011011001111001101 |
3 | 2212102220111012122220 |
4 | 123330101123033031 |
5 | 442421032331341 |
6 | 21441031525553 |
7 | 2111324514645 |
oct | 337421331715 |
9 | 85386435586 |
10 | 30002230221 |
11 | 117a6527697 |
12 | 59938298b9 |
13 | 2aa1996262 |
14 | 1648869525 |
15 | ba8e19a66 |
hex | 6fc45b3cd |
30002230221 has 16 divisors (see below), whose sum is σ = 40081332480. Its totient is φ = 19962342720.
The previous prime is 30002230217. The next prime is 30002230229. The reversal of 30002230221 is 12203220003.
It is not a de Polignac number, because 30002230221 - 22 = 30002230217 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30002230221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002230229) 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, 5250556 + ... + 5256266.
It is an arithmetic number, because the mean of its divisors is an integer number (2505083280).
Almost surely, 230002230221 is an apocalyptic number.
It is an amenable number.
30002230221 is a deficient number, since it is larger than the sum of its proper divisors (10079102259).
30002230221 is a wasteful number, since it uses less digits than its factorization.
30002230221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8836.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 30002230221 its reverse (12203220003), we get a palindrome (42205450224).
The spelling of 30002230221 in words is "thirty billion, two million, two hundred thirty thousand, two hundred twenty-one".
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