Base | Representation |
---|---|
bin | 10010101101010000… |
… | …001001010110000000 |
3 | 1220211212101222102102 |
4 | 102231100021112000 |
5 | 312114124411003 |
6 | 13121100405532 |
7 | 1310522641535 |
oct | 225520112600 |
9 | 56755358372 |
10 | 20086560128 |
11 | 8578380a18 |
12 | 3a86b468a8 |
13 | 1b815c3c4b |
14 | d879b8d8c |
15 | 7c8668588 |
hex | 4ad409580 |
20086560128 has 16 divisors (see below), whose sum is σ = 40016194260. Its totient is φ = 10043280000.
The previous prime is 20086560017. The next prime is 20086560149. The reversal of 20086560128 is 82106568002.
It is a tau number, because it is divible by the number of its divisors (16).
It is a junction number, because it is equal to n+sod(n) for n = 20086560091 and 20086560100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78462998 + ... + 78463253.
Almost surely, 220086560128 is an apocalyptic number.
It is an amenable number.
20086560128 is a deficient number, since it is larger than the sum of its proper divisors (19929634132).
20086560128 is an equidigital number, since it uses as much as digits as its factorization.
20086560128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156926265 (or 156926253 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 38.
The spelling of 20086560128 in words is "twenty billion, eighty-six million, five hundred sixty thousand, one hundred twenty-eight".
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