Base | Representation |
---|---|
bin | 11001001110101111… |
… | …100000110110011100 |
3 | 2120221000021101122002 |
4 | 121032233200312130 |
5 | 420440231210243 |
6 | 20240111341432 |
7 | 1646223461054 |
oct | 311657406634 |
9 | 76830241562 |
10 | 27090881948 |
11 | 10542107639 |
12 | 5300821878 |
13 | 2729781080 |
14 | 144dd3c564 |
15 | a88537eb8 |
hex | 64ebe0d9c |
27090881948 has 96 divisors (see below), whose sum is σ = 55381838400. Its totient is φ = 11489347584.
The previous prime is 27090881941. The next prime is 27090881953. The reversal of 27090881948 is 84918809072.
It is a junction number, because it is equal to n+sod(n) for n = 27090881893 and 27090881902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27090881941) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 4657490 + ... + 4663302.
It is an arithmetic number, because the mean of its divisors is an integer number (576894150).
Almost surely, 227090881948 is an apocalyptic number.
It is an amenable number.
27090881948 is an abundant number, since it is smaller than the sum of its proper divisors (28290956452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27090881948 is a wasteful number, since it uses less digits than its factorization.
27090881948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5991 (or 5989 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 56.
The spelling of 27090881948 in words is "twenty-seven billion, ninety million, eight hundred eighty-one thousand, nine hundred forty-eight".
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