Base | Representation |
---|---|
bin | 1101101111010000111011… |
… | …11011100011111110111100 |
3 | 10221222011122120220021122011 |
4 | 12313220131323203332330 |
5 | 12424440221320110322 |
6 | 144130514112501004 |
7 | 6235460141616463 |
oct | 667503573437674 |
9 | 127864576807564 |
10 | 30211302113212 |
11 | 96985a5488190 |
12 | 347b19bb4a764 |
13 | 13b1bb514367c |
14 | 7663405019da |
15 | 375cea5b7677 |
hex | 1b7a1dee3fbc |
30211302113212 has 48 divisors (see below), whose sum is σ = 58056251387904. Its totient is φ = 13642198416000.
The previous prime is 30211302113207. The next prime is 30211302113221. The reversal of 30211302113212 is 21231120311203.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401413 + ... + 7783555.
It is an arithmetic number, because the mean of its divisors is an integer number (1209505237248).
Almost surely, 230211302113212 is an apocalyptic number.
It is an amenable number.
30211302113212 is a deficient number, since it is larger than the sum of its proper divisors (27844949274692).
30211302113212 is a wasteful number, since it uses less digits than its factorization.
30211302113212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7382770 (or 7382768 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 30211302113212 its reverse (21231120311203), we get a palindrome (51442422424415).
The spelling of 30211302113212 in words is "thirty trillion, two hundred eleven billion, three hundred two million, one hundred thirteen thousand, two hundred twelve".
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