Base | Representation |
---|---|
bin | 11001111010100111… |
… | …110111010101111111 |
3 | 2122211022112211212100 |
4 | 121322213313111333 |
5 | 423442212340211 |
6 | 20441130440143 |
7 | 2003403141612 |
oct | 317247672577 |
9 | 78738484770 |
10 | 27827074431 |
11 | 1088a726982 |
12 | 5487293053 |
13 | 2816152c20 |
14 | 14bda18179 |
15 | accea9156 |
hex | 67a9f757f |
27827074431 has 24 divisors (see below), whose sum is σ = 43808100336. Its totient is φ = 16918030080.
The previous prime is 27827074421. The next prime is 27827074433. The reversal of 27827074431 is 13447072872.
27827074431 is a `hidden beast` number, since 2 + 7 + 82 + 70 + 74 + 431 = 666.
It is not a de Polignac number, because 27827074431 - 215 = 27827041663 is a prime.
It is a super-2 number, since 2×278270744312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27827074433) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423050 + ... + 1442471.
It is an arithmetic number, because the mean of its divisors is an integer number (1825337514).
Almost surely, 227827074431 is an apocalyptic number.
27827074431 is a deficient number, since it is larger than the sum of its proper divisors (15981025905).
27827074431 is a wasteful number, since it uses less digits than its factorization.
27827074431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2865623 (or 2865620 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 45.
The spelling of 27827074431 in words is "twenty-seven billion, eight hundred twenty-seven million, seventy-four thousand, four hundred thirty-one".
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