Base | Representation |
---|---|
bin | 1101101111010000111100… |
… | …11110010001001100110000 |
3 | 10221222011200020000111212211 |
4 | 12313220132132101030300 |
5 | 12424440231132230222 |
6 | 144130515035501504 |
7 | 6235460312141530 |
oct | 667503636211460 |
9 | 127864606014784 |
10 | 30211311211312 |
11 | 96985aa631780 |
12 | 347b1a2bb7894 |
13 | 13b1bb6caa86a |
14 | 7663417cd4c0 |
15 | 375ceb2b3277 |
hex | 1b7a1e791330 |
30211311211312 has 80 divisors (see below), whose sum is σ = 73241431748352. Its totient is φ = 11728147311360.
The previous prime is 30211311211297. The next prime is 30211311211321. The reversal of 30211311211312 is 21311211311203.
It is a super-2 number, since 2×302113112113122 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43922578 + ... + 44605105.
Almost surely, 230211311211312 is an apocalyptic number.
It is an amenable number.
30211311211312 is an abundant number, since it is smaller than the sum of its proper divisors (43030120537040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211311211312 is a wasteful number, since it uses less digits than its factorization.
30211311211312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88527986 (or 88527980 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 30211311211312 its reverse (21311211311203), we get a palindrome (51522522522515).
The spelling of 30211311211312 in words is "thirty trillion, two hundred eleven billion, three hundred eleven million, two hundred eleven thousand, three hundred twelve".
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