Base | Representation |
---|---|
bin | 1001001011111011010101… |
… | …01011100111000011000000 |
3 | 2122112012100212221212201111 |
4 | 10211331222223213003000 |
5 | 10121433142334310422 |
6 | 110544115420013104 |
7 | 4153322063303515 |
oct | 445755253470300 |
9 | 78465325855644 |
10 | 20201021010112 |
11 | 64892287a2248 |
12 | 2323115091194 |
13 | b36c42cb81b7 |
14 | 4dba3db9930c |
15 | 25071cc8ba77 |
hex | 125f6aae70c0 |
20201021010112 has 56 divisors (see below), whose sum is σ = 42467017793760. Its totient is φ = 9501302599680.
The previous prime is 20201021010077. The next prime is 20201021010173. The reversal of 20201021010112 is 21101012010202.
It is a junction number, because it is equal to n+sod(n) for n = 20201021010092 and 20201021010101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896339 + ... + 6985042.
It is an arithmetic number, because the mean of its divisors is an integer number (758339603460).
Almost surely, 220201021010112 is an apocalyptic number.
It is an amenable number.
20201021010112 is an abundant number, since it is smaller than the sum of its proper divisors (22265996783648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201021010112 is a wasteful number, since it uses less digits than its factorization.
20201021010112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9883289 (or 9883279 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 20201021010112 its reverse (21101012010202), we get a palindrome (41302033020314).
The spelling of 20201021010112 in words is "twenty trillion, two hundred one billion, twenty-one million, ten thousand, one hundred twelve".
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