Base | Representation |
---|---|
bin | 11001001100101000… |
… | …100111001000101111 |
3 | 2120211112201201202200 |
4 | 121030220213020233 |
5 | 420402203041010 |
6 | 20232405352543 |
7 | 1645314052653 |
oct | 311450471057 |
9 | 76745651680 |
10 | 27055518255 |
11 | 10524153347 |
12 | 52b0a08753 |
13 | 272234b8cc |
14 | 1449374a63 |
15 | a8539ecc0 |
hex | 64ca2722f |
27055518255 has 48 divisors (see below), whose sum is σ = 49598739840. Its totient is φ = 13605278400.
The previous prime is 27055518253. The next prime is 27055518283. The reversal of 27055518255 is 55281555072.
27055518255 is a `hidden beast` number, since 2 + 70 + 5 + 551 + 8 + 25 + 5 = 666.
It is not a de Polignac number, because 27055518255 - 21 = 27055518253 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 27055518255.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27055518253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105420 + ... + 255390.
It is an arithmetic number, because the mean of its divisors is an integer number (1033307080).
Almost surely, 227055518255 is an apocalyptic number.
27055518255 is a deficient number, since it is larger than the sum of its proper divisors (22543221585).
27055518255 is a wasteful number, since it uses less digits than its factorization.
27055518255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150212 (or 150209 counting only the distinct ones).
The product of its (nonzero) digits is 700000, while the sum is 45.
The spelling of 27055518255 in words is "twenty-seven billion, fifty-five million, five hundred eighteen thousand, two hundred fifty-five".
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