Base | Representation |
---|---|
bin | 10011000000100111… |
… | …011001011001100000 |
3 | 1221200111200200112212 |
4 | 103000213121121200 |
5 | 313300311003204 |
6 | 13213223341252 |
7 | 1321546140560 |
oct | 230047313140 |
9 | 57614620485 |
10 | 20411422304 |
11 | 8724796759 |
12 | 3b578b1828 |
13 | 1c039b82a0 |
14 | db8bc0da0 |
15 | 7e6e38c6e |
hex | 4c09d9660 |
20411422304 has 96 divisors (see below), whose sum is σ = 49836923136. Its totient is φ = 8013058560.
The previous prime is 20411422303. The next prime is 20411422319. The reversal of 20411422304 is 40322411402.
It is a self number, because there is not a number n which added to its sum of digits gives 20411422304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20411422303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354719 + ... + 408225.
It is an arithmetic number, because the mean of its divisors is an integer number (519134616).
Almost surely, 220411422304 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 20411422304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24918461568).
20411422304 is an abundant number, since it is smaller than the sum of its proper divisors (29425500832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20411422304 is a wasteful number, since it uses less digits than its factorization.
20411422304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53668 (or 53660 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 20411422304 its reverse (40322411402), we get a palindrome (60733833706).
The spelling of 20411422304 in words is "twenty billion, four hundred eleven million, four hundred twenty-two thousand, three hundred four".
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