Base | Representation |
---|---|
bin | 11001011001100000… |
… | …000100010000001111 |
3 | 2121101120220202012100 |
4 | 121121200010100033 |
5 | 421322433211111 |
6 | 20310040210143 |
7 | 1653544631265 |
oct | 313140042017 |
9 | 77346822170 |
10 | 27271382031 |
11 | 10624a90a63 |
12 | 5351169953 |
13 | 2757c9b75a |
14 | 1469cc6435 |
15 | a992de756 |
hex | 65980440f |
27271382031 has 24 divisors (see below), whose sum is σ = 43054637184. Its totient is φ = 16559470080.
The previous prime is 27271381913. The next prime is 27271382113. The reversal of 27271382031 is 13028317272.
27271382031 is a `hidden beast` number, since 2 + 7 + 271 + 382 + 0 + 3 + 1 = 666.
It is not a de Polignac number, because 27271382031 - 27 = 27271381903 is a prime.
It is a super-2 number, since 2×272713820312 (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 (27271382531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2870166 + ... + 2879651.
It is an arithmetic number, because the mean of its divisors is an integer number (1793943216).
Almost surely, 227271382031 is an apocalyptic number.
27271382031 is a deficient number, since it is larger than the sum of its proper divisors (15783255153).
27271382031 is a wasteful number, since it uses less digits than its factorization.
27271382031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5749871 (or 5749868 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The spelling of 27271382031 in words is "twenty-seven billion, two hundred seventy-one million, three hundred eighty-two thousand, thirty-one".
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