Base | Representation |
---|---|
bin | 11001111010111010… |
… | …101001001000110110 |
3 | 2122211122210221100001 |
4 | 121322322221020312 |
5 | 423444442400412 |
6 | 20441424141514 |
7 | 2003463033226 |
oct | 317272511066 |
9 | 78748727301 |
10 | 27831996982 |
11 | 108924892a9 |
12 | 5488a6789a |
13 | 281718768a |
14 | 14c053a086 |
15 | acd62c957 |
hex | 67aea9236 |
27831996982 has 8 divisors (see below), whose sum is σ = 41749141752. Its totient is φ = 13915616400.
The previous prime is 27831996971. The next prime is 27831997013. The reversal of 27831996982 is 28969913872.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89119 + ... + 252202.
It is an arithmetic number, because the mean of its divisors is an integer number (5218642719).
Almost surely, 227831996982 is an apocalyptic number.
27831996982 is a deficient number, since it is larger than the sum of its proper divisors (13917144770).
27831996982 is a wasteful number, since it uses less digits than its factorization.
27831996982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382094.
The product of its digits is 23514624, while the sum is 64.
The spelling of 27831996982 in words is "twenty-seven billion, eight hundred thirty-one million, nine hundred ninety-six thousand, nine hundred eighty-two".
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