Base | Representation |
---|---|
bin | 11001110110001000… |
… | …011111011001011100 |
3 | 2122122001210111212000 |
4 | 121312020133121130 |
5 | 423313421203040 |
6 | 20425440042300 |
7 | 2001466622643 |
oct | 316610373134 |
9 | 78561714760 |
10 | 27751741020 |
11 | 10851152863 |
12 | 5466003390 |
13 | 2803667943 |
14 | 14b3a0835a |
15 | ac6578130 |
hex | 67621f65c |
27751741020 has 48 divisors (see below), whose sum is σ = 86338751520. Its totient is φ = 7400464128.
The previous prime is 27751740979. The next prime is 27751741027. The reversal of 27751741020 is 2014715772.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27751741027) 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 15 ways as a sum of consecutive naturals, for example, 25695517 + ... + 25696596.
It is an arithmetic number, because the mean of its divisors is an integer number (1798723990).
Almost surely, 227751741020 is an apocalyptic number.
27751741020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27751741020 is an abundant number, since it is smaller than the sum of its proper divisors (58587010500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27751741020 is a wasteful number, since it uses less digits than its factorization.
27751741020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51392131 (or 51392123 counting only the distinct ones).
The product of its (nonzero) digits is 27440, while the sum is 36.
The spelling of 27751741020 in words is "twenty-seven billion, seven hundred fifty-one million, seven hundred forty-one thousand, twenty".
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