Base | Representation |
---|---|
bin | 11001100100011100… |
… | …101110011001110000 |
3 | 2121212101112022210101 |
4 | 121210130232121300 |
5 | 422211443233342 |
6 | 20340201042144 |
7 | 1661235056335 |
oct | 314434563160 |
9 | 77771468711 |
10 | 27455055472 |
11 | 10709732599 |
12 | 53a2786354 |
13 | 278705a670 |
14 | 148645898c |
15 | aaa4c13b7 |
hex | 66472e670 |
27455055472 has 80 divisors (see below), whose sum is σ = 60027283008. Its totient is φ = 12069826560.
The previous prime is 27455055371. The next prime is 27455055493.
27455055472 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141038 + ... + 1164850.
Almost surely, 227455055472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27455055472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30013641504).
27455055472 is an abundant number, since it is smaller than the sum of its proper divisors (32572227536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27455055472 is a wasteful number, since it uses less digits than its factorization.
27455055472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24098 (or 24092 counting only the distinct ones).
The product of its (nonzero) digits is 1960000, while the sum is 46.
The spelling of 27455055472 in words is "twenty-seven billion, four hundred fifty-five million, fifty-five thousand, four hundred seventy-two".
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