Base | Representation |
---|---|
bin | 10011000010010101… |
… | …111111100101000010 |
3 | 1221202112020122102000 |
4 | 103002111333211002 |
5 | 313330221231110 |
6 | 13220141004430 |
7 | 1322350441164 |
oct | 230225774502 |
9 | 57675218360 |
10 | 20440414530 |
11 | 873a098a78 |
12 | 3b65553716 |
13 | 1c099c9653 |
14 | dbc9aa934 |
15 | 7e97641c0 |
hex | 4c257f942 |
20440414530 has 32 divisors (see below), whose sum is σ = 54507772800. Its totient is φ = 5450777136.
The previous prime is 20440414523. The next prime is 20440414591. The reversal of 20440414530 is 3541404402.
It is a happy number.
20440414530 is a `hidden beast` number, since 204 + 4 + 0 + 4 + 1 + 453 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 20440414494 and 20440414503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37852350 + ... + 37852889.
It is an arithmetic number, because the mean of its divisors is an integer number (1703367900).
Almost surely, 220440414530 is an apocalyptic number.
20440414530 is an abundant number, since it is smaller than the sum of its proper divisors (34067358270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20440414530 is a wasteful number, since it uses less digits than its factorization.
20440414530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75705255 (or 75705249 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 20440414530 its reverse (3541404402), we get a palindrome (23981818932).
The spelling of 20440414530 in words is "twenty billion, four hundred forty million, four hundred fourteen thousand, five hundred thirty".
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