Base | Representation |
---|---|
bin | 1001010100101000001… |
… | …01101100010010110100 |
3 | 1010121210002201121201212 |
4 | 10222110011230102310 |
5 | 20221444344200040 |
6 | 403052131540552 |
7 | 32066426633003 |
oct | 4522405542264 |
9 | 1117702647655 |
10 | 320312100020 |
11 | 113930914720 |
12 | 520b3a5a758 |
13 | 2428907c9c3 |
14 | 11708a6ac3a |
15 | 84eaa28d65 |
hex | 4a9416c4b4 |
320312100020 has 48 divisors (see below), whose sum is σ = 772427275200. Its totient is φ = 110346750720.
The previous prime is 320312099903. The next prime is 320312100047. The reversal of 320312100020 is 20001213023.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 320312099968 and 320312100004.
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, 38310665 + ... + 38319024.
It is an arithmetic number, because the mean of its divisors is an integer number (16092234900).
Almost surely, 2320312100020 is an apocalyptic number.
It is an amenable number.
320312100020 is an abundant number, since it is smaller than the sum of its proper divisors (452115175180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
320312100020 is a wasteful number, since it uses less digits than its factorization.
320312100020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76629728 (or 76629726 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 320312100020 its reverse (20001213023), we get a palindrome (340313313043).
The spelling of 320312100020 in words is "three hundred twenty billion, three hundred twelve million, one hundred thousand, twenty".
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