Base | Representation |
---|---|
bin | 1001000101110001000… |
… | …01000100001100111100 |
3 | 1002212012001020122120112 |
4 | 10202320201010030330 |
5 | 20104124312233040 |
6 | 355252311005152 |
7 | 31364624265440 |
oct | 4427041041474 |
9 | 1085161218515 |
10 | 312333321020 |
11 | 110507020996 |
12 | 506479697b8 |
13 | 235b70599b6 |
14 | 1118d128820 |
15 | 81d0321365 |
hex | 48b884433c |
312333321020 has 96 divisors (see below), whose sum is σ = 781294166016. Its totient is φ = 102625056000.
The previous prime is 312333320983. The next prime is 312333321029. The reversal of 312333321020 is 20123333213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312333321029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97670 + ... + 796370.
It is an arithmetic number, because the mean of its divisors is an integer number (8138480896).
Almost surely, 2312333321020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312333321020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390647083008).
312333321020 is an abundant number, since it is smaller than the sum of its proper divisors (468960844996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312333321020 is a wasteful number, since it uses less digits than its factorization.
312333321020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698851 (or 698849 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 312333321020 its reverse (20123333213), we get a palindrome (332456654233).
The spelling of 312333321020 in words is "three hundred twelve billion, three hundred thirty-three million, three hundred twenty-one thousand, twenty".
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