Base | Representation |
---|---|
bin | 10010110100001000… |
… | …101000010011100000 |
3 | 1221010220200110201121 |
4 | 102310020220103200 |
5 | 312333204432204 |
6 | 13140343342024 |
7 | 1313424265351 |
oct | 226410502340 |
9 | 57126613647 |
10 | 20202030304 |
11 | 8627579415 |
12 | 3ab9751914 |
13 | 1b9c4c30b1 |
14 | d99075d28 |
15 | 7d3876b54 |
hex | 4b42284e0 |
20202030304 has 48 divisors (see below), whose sum is σ = 40892040000. Its totient is φ = 9819641344.
The previous prime is 20202030271. The next prime is 20202030311. The reversal of 20202030304 is 40303020202.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179022 + ... + 269170.
It is an arithmetic number, because the mean of its divisors is an integer number (851917500).
Almost surely, 220202030304 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 20202030304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20446020000).
20202030304 is an abundant number, since it is smaller than the sum of its proper divisors (20690009696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202030304 is a wasteful number, since it uses less digits than its factorization.
20202030304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90355 (or 90347 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 16.
Adding to 20202030304 its reverse (40303020202), we get a palindrome (60505050506).
It can be divided in two parts, 202020 and 30304, that added together give a square (232324 = 4822).
The spelling of 20202030304 in words is "twenty billion, two hundred two million, thirty thousand, three hundred four".
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