Base | Representation |
---|---|
bin | 11001101010011011… |
… | …111001000000010010 |
3 | 2122010101112102211221 |
4 | 121222123321000102 |
5 | 422413202000200 |
6 | 20354145555254 |
7 | 1663564612561 |
oct | 315233710022 |
9 | 78111472757 |
10 | 27555500050 |
11 | 107603a8041 |
12 | 5410345b2a |
13 | 27a1ac8620 |
14 | 1495923bd8 |
15 | ab421291a |
hex | 66a6f9012 |
27555500050 has 24 divisors (see below), whose sum is σ = 55195787556. Its totient is φ = 10174338240.
The previous prime is 27555500041. The next prime is 27555500051. The reversal of 27555500050 is 5000555572.
It can be written as a sum of positive squares in 6 ways, for example, as 1143724761 + 26411775289 = 33819^2 + 162517^2 .
It is a junction number, because it is equal to n+sod(n) for n = 27555499979 and 27555500015.
It is not an unprimeable number, because it can be changed into a prime (27555500051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21195889 + ... + 21197188.
Almost surely, 227555500050 is an apocalyptic number.
27555500050 is an abundant number, since it is smaller than the sum of its proper divisors (27640287506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27555500050 is a wasteful number, since it uses less digits than its factorization.
27555500050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42393102 (or 42393097 counting only the distinct ones).
The product of its (nonzero) digits is 43750, while the sum is 34.
The spelling of 27555500050 in words is "twenty-seven billion, five hundred fifty-five million, five hundred thousand, fifty".
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