Base | Representation |
---|---|
bin | 1101101001011100010000… |
… | …00111101011110111011100 |
3 | 10221021001012112111122110102 |
4 | 12310232020013223313130 |
5 | 12413200434333310322 |
6 | 143454544135200232 |
7 | 6215145004544120 |
oct | 664561007536734 |
9 | 127231175448412 |
10 | 30011220213212 |
11 | 9620761468337 |
12 | 3448460b16078 |
13 | 1399079b7a374 |
14 | 75a79d5c1580 |
15 | 3709d9d66792 |
hex | 1b4b881ebddc |
30011220213212 has 24 divisors (see below), whose sum is σ = 62632111750656. Its totient is φ = 12302736236208.
The previous prime is 30011220213197. The next prime is 30011220213223. The reversal of 30011220213212 is 21231202211003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23300636168 + ... + 23300637455.
It is an arithmetic number, because the mean of its divisors is an integer number (2609671322944).
Almost surely, 230011220213212 is an apocalyptic number.
It is an amenable number.
30011220213212 is an abundant number, since it is smaller than the sum of its proper divisors (32620891537444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30011220213212 is a wasteful number, since it uses less digits than its factorization.
30011220213212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46601273657 (or 46601273655 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 30011220213212 its reverse (21231202211003), we get a palindrome (51242422424215).
The spelling of 30011220213212 in words is "thirty trillion, eleven billion, two hundred twenty million, two hundred thirteen thousand, two hundred twelve".
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