Base | Representation |
---|---|
bin | 11001101000111011… |
… | …011110000010011000 |
3 | 2122001121222021022100 |
4 | 121220323132002120 |
5 | 422340214130033 |
6 | 20351444123400 |
7 | 1663140020025 |
oct | 315073360230 |
9 | 78047867270 |
10 | 27530223768 |
11 | 10748103653 |
12 | 5403996560 |
13 | 27997b8748 |
14 | 149242454c |
15 | ab1dbd513 |
hex | 668ede098 |
27530223768 has 48 divisors (see below), whose sum is σ = 74576221200. Its totient is φ = 9174870720.
The previous prime is 27530223761. The next prime is 27530223781. The reversal of 27530223768 is 86732203572.
27530223768 is a `hidden beast` number, since 2 + 7 + 530 + 22 + 37 + 68 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27530223761) 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 11 ways as a sum of consecutive naturals, for example, 342453 + ... + 415131.
It is an arithmetic number, because the mean of its divisors is an integer number (1553671275).
Almost surely, 227530223768 is an apocalyptic number.
It is an amenable number.
27530223768 is an abundant number, since it is smaller than the sum of its proper divisors (47045997432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27530223768 is a wasteful number, since it uses less digits than its factorization.
27530223768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77952 (or 77945 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 45.
The spelling of 27530223768 in words is "twenty-seven billion, five hundred thirty million, two hundred twenty-three thousand, seven hundred sixty-eight".
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