Base | Representation |
---|---|
bin | 11001111010101011… |
… | …100000000101101011 |
3 | 2122211101100021120122 |
4 | 121322223200011223 |
5 | 423442433342010 |
6 | 20441203113455 |
7 | 2003414222153 |
oct | 317253400553 |
9 | 78741307518 |
10 | 27828027755 |
11 | 10890218150 |
12 | 548767288b |
13 | 28163c7b18 |
14 | 14bdbc5763 |
15 | acd0e6855 |
hex | 67aae016b |
27828027755 has 8 divisors (see below), whose sum is σ = 36429418224. Its totient is φ = 20238565600.
The previous prime is 27828027751. The next prime is 27828027757. The reversal of 27828027755 is 55772082872.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27828027755 - 22 = 27828027751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27828027697 and 27828027706.
It is not an unprimeable number, because it can be changed into a prime (27828027751) 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, 252982016 + ... + 252982125.
It is an arithmetic number, because the mean of its divisors is an integer number (4553677278).
Almost surely, 227828027755 is an apocalyptic number.
27828027755 is a deficient number, since it is larger than the sum of its proper divisors (8601390469).
27828027755 is a wasteful number, since it uses less digits than its factorization.
27828027755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505964157.
The product of its (nonzero) digits is 4390400, while the sum is 53.
The spelling of 27828027755 in words is "twenty-seven billion, eight hundred twenty-eight million, twenty-seven thousand, seven hundred fifty-five".
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