Base | Representation |
---|---|
bin | 11001111010100111… |
… | …111110100100010100 |
3 | 2122211022121100110020 |
4 | 121322213332210110 |
5 | 423442214312040 |
6 | 20441131225140 |
7 | 2003403324102 |
oct | 317247764424 |
9 | 78738540406 |
10 | 27827104020 |
11 | 1088a747131 |
12 | 54872a81b0 |
13 | 2816163531 |
14 | 14bda24c72 |
15 | acceb2cd0 |
hex | 67a9fe914 |
27827104020 has 24 divisors (see below), whose sum is σ = 77915891424. Its totient is φ = 7420561056.
The previous prime is 27827104003. The next prime is 27827104043. The reversal of 27827104020 is 2040172872.
It is a congruent number.
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, 231892474 + ... + 231892593.
It is an arithmetic number, because the mean of its divisors is an integer number (3246495476).
Almost surely, 227827104020 is an apocalyptic number.
27827104020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27827104020 is an abundant number, since it is smaller than the sum of its proper divisors (50088787404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27827104020 is a wasteful number, since it uses less digits than its factorization.
27827104020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463785079 (or 463785077 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
Adding to 27827104020 its reverse (2040172872), we get a palindrome (29867276892).
The spelling of 27827104020 in words is "twenty-seven billion, eight hundred twenty-seven million, one hundred four thousand, twenty".
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