Base | Representation |
---|---|
bin | 10010111010100101… |
… | …110001101001011100 |
3 | 1221102110110212112020 |
4 | 102322211301221130 |
5 | 313043421142134 |
6 | 13155212540140 |
7 | 1316210663610 |
oct | 227245615134 |
9 | 57373425466 |
10 | 20310334044 |
11 | 8682721640 |
12 | 3b29a81650 |
13 | 1bb8a83350 |
14 | da95c9340 |
15 | 7dd11bb49 |
hex | 4ba971a5c |
20310334044 has 384 divisors, whose sum is σ = 68279500800. Its totient is φ = 4521553920.
The previous prime is 20310333983. The next prime is 20310334067. The reversal of 20310334044 is 44043301302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16131487 + ... + 16132745.
It is an arithmetic number, because the mean of its divisors is an integer number (177811200).
Almost surely, 220310334044 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 20310334044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34139750400).
20310334044 is an abundant number, since it is smaller than the sum of its proper divisors (47969166756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310334044 is a wasteful number, since it uses less digits than its factorization.
20310334044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 20310334044 its reverse (44043301302), we get a palindrome (64353635346).
The spelling of 20310334044 in words is "twenty billion, three hundred ten million, three hundred thirty-four thousand, forty-four".
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