Base | Representation |
---|---|
bin | 1001001000011011110111… |
… | …11001111000000100001100 |
3 | 2122002201200221222201120021 |
4 | 10210031323321320010030 |
5 | 10113001443011100340 |
6 | 110413035111431524 |
7 | 4141544106100243 |
oct | 444157371700414 |
9 | 78081627881507 |
10 | 20081050878220 |
11 | 6442364788512 |
12 | 2303a133855a4 |
13 | b2883405aa87 |
14 | 4d5cdc7c995a |
15 | 24c54a735e4a |
hex | 12437be7810c |
20081050878220 has 24 divisors (see below), whose sum is σ = 42170885021664. Its totient is φ = 8032291174656.
The previous prime is 20081050878209. The next prime is 20081050878221. The reversal of 20081050878220 is 2287805018002.
It is not an unprimeable number, because it can be changed into a prime (20081050878221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793869 + ... + 9290788.
It is an arithmetic number, because the mean of its divisors is an integer number (1757120209236).
Almost surely, 220081050878220 is an apocalyptic number.
20081050878220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20081050878220 is an abundant number, since it is smaller than the sum of its proper divisors (22089834143444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20081050878220 is a wasteful number, since it uses less digits than its factorization.
20081050878220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16147089 (or 16147087 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 43.
The spelling of 20081050878220 in words is "twenty trillion, eighty-one billion, fifty million, eight hundred seventy-eight thousand, two hundred twenty".
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