Base | Representation |
---|---|
bin | 11001111001000000… |
… | …110010010100100001 |
3 | 2122202102201000110112 |
4 | 121321000302110201 |
5 | 423413303144100 |
6 | 20434323341105 |
7 | 2002624360163 |
oct | 317100622441 |
9 | 78672630415 |
10 | 27800053025 |
11 | 10876450338 |
12 | 547a221795 |
13 | 2810681924 |
14 | 14ba1c2933 |
15 | aca91cb35 |
hex | 679032521 |
27800053025 has 12 divisors (see below), whose sum is σ = 34518735600. Its totient is φ = 22209932880.
The previous prime is 27800053019. The next prime is 27800053033. The reversal of 27800053025 is 52035000872.
It is not a de Polignac number, because 27800053025 - 24 = 27800053009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 27800052982 and 27800053000.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733895 + ... + 770844.
It is an arithmetic number, because the mean of its divisors is an integer number (2876561300).
Almost surely, 227800053025 is an apocalyptic number.
27800053025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
27800053025 is a deficient number, since it is larger than the sum of its proper divisors (6718682575).
27800053025 is a wasteful number, since it uses less digits than its factorization.
27800053025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1505488 (or 1505483 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 32.
Adding to 27800053025 its reverse (52035000872), we get a palindrome (79835053897).
The spelling of 27800053025 in words is "twenty-seven billion, eight hundred million, fifty-three thousand, twenty-five".
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