Base | Representation |
---|---|
bin | 10010101000010110… |
… | …011000110000000000 |
3 | 1220122010122020110222 |
4 | 102220112120300000 |
5 | 311432100410031 |
6 | 13105001442212 |
7 | 1305503554355 |
oct | 225026306000 |
9 | 56563566428 |
10 | 20004310016 |
11 | 8535a03219 |
12 | 3a634a0368 |
13 | 1b6a556642 |
14 | d7aac862c |
15 | 7c131ce7b |
hex | 4a8598c00 |
20004310016 has 44 divisors (see below), whose sum is σ = 40919153352. Its totient is φ = 9769525248.
The previous prime is 20004309979. The next prime is 20004310019. The reversal of 20004310016 is 61001340002.
It is a junction number, because it is equal to n+sod(n) for n = 20004309976 and 20004310003.
It is not an unprimeable number, because it can be changed into a prime (20004310019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183125 + ... + 271188.
It is an arithmetic number, because the mean of its divisors is an integer number (929980758).
Almost surely, 220004310016 is an apocalyptic number.
It is an amenable number.
20004310016 is an abundant number, since it is smaller than the sum of its proper divisors (20914843336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20004310016 is an equidigital number, since it uses as much as digits as its factorization.
20004310016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454376 (or 454358 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20004310016 its reverse (61001340002), we get a palindrome (81005650018).
The spelling of 20004310016 in words is "twenty billion, four million, three hundred ten thousand, sixteen".
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