Base | Representation |
---|---|
bin | 11001001100011000… |
… | …011101100110100100 |
3 | 2120211020202122200202 |
4 | 121030120131212210 |
5 | 420400112104100 |
6 | 20232134530032 |
7 | 1645233061553 |
oct | 311430354644 |
9 | 76736678622 |
10 | 27051284900 |
11 | 10521821802 |
12 | 52ab506918 |
13 | 27214c8a73 |
14 | 1448991d9a |
15 | a84d157d5 |
hex | 64c61d9a4 |
27051284900 has 18 divisors (see below), whose sum is σ = 58701288450. Its totient is φ = 10820513920.
The previous prime is 27051284893. The next prime is 27051284983. The reversal of 27051284900 is 948215072.
It can be written as a sum of positive squares in 3 ways, for example, as 996159844 + 26055125056 = 31562^2 + 161416^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135256325 + ... + 135256524.
Almost surely, 227051284900 is an apocalyptic number.
27051284900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27051284900 is an abundant number, since it is smaller than the sum of its proper divisors (31650003550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27051284900 is a wasteful number, since it uses less digits than its factorization.
27051284900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270512863 (or 270512856 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
Adding to 27051284900 its reverse (948215072), we get a palindrome (27999499972).
The spelling of 27051284900 in words is "twenty-seven billion, fifty-one million, two hundred eighty-four thousand, nine hundred".
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