Base | Representation |
---|---|
bin | 1100011010101110001… |
… | …0011001110100111000 |
3 | 202101122102111220201110 |
4 | 3012223202121310320 |
5 | 11443400304220440 |
6 | 242000354320320 |
7 | 21261356205342 |
oct | 3065342316470 |
9 | 671572456643 |
10 | 213331320120 |
11 | 82522a72336 |
12 | 354182890a0 |
13 | 1716a236789 |
14 | a47a854292 |
15 | 5838a20080 |
hex | 31ab899d38 |
213331320120 has 64 divisors (see below), whose sum is σ = 646591871520. Its totient is φ = 56301871104.
The previous prime is 213331320119. The next prime is 213331320143. The reversal of 213331320120 is 21023133312.
213331320120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9152077 + ... + 9175356.
Almost surely, 2213331320120 is an apocalyptic number.
213331320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213331320120 is an abundant number, since it is smaller than the sum of its proper divisors (433260551400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213331320120 is a wasteful number, since it uses less digits than its factorization.
213331320120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18327544 (or 18327540 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 213331320120 its reverse (21023133312), we get a palindrome (234354453432).
The spelling of 213331320120 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred twenty thousand, one hundred twenty".
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