Base | Representation |
---|---|
bin | 10010101010101010… |
… | …001001001000010000 |
3 | 1220201211112002121200 |
4 | 102222222021020100 |
5 | 312022004341334 |
6 | 13112503551200 |
7 | 1306454025462 |
oct | 225252111020 |
9 | 56654462550 |
10 | 20043043344 |
11 | 8555859135 |
12 | 3a7445b500 |
13 | 1b7559877c |
14 | d81ccc132 |
15 | 7c491e799 |
hex | 4aaa89210 |
20043043344 has 30 divisors (see below), whose sum is σ = 56092684206. Its totient is φ = 6681014400.
The previous prime is 20043043343. The next prime is 20043043393. The reversal of 20043043344 is 44334034002.
20043043344 is a `hidden beast` number, since 20 + 0 + 4 + 304 + 334 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 17739043344 + 2304000000 = 133188^2 + 48000^2 .
It is not an unprimeable number, because it can be changed into a prime (20043043343) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69593757 + ... + 69594044.
Almost surely, 220043043344 is an apocalyptic number.
20043043344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20043043344 is an abundant number, since it is smaller than the sum of its proper divisors (36049640862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20043043344 is a wasteful number, since it uses less digits than its factorization.
20043043344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139187815 (or 139187806 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 27.
Adding to 20043043344 its reverse (44334034002), we get a palindrome (64377077346).
The spelling of 20043043344 in words is "twenty billion, forty-three million, forty-three thousand, three hundred forty-four".
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