Base | Representation |
---|---|
bin | 101100011100110010… |
… | …111011010011100100 |
3 | 11120012020012000221002 |
4 | 230130302323103210 |
5 | 1240221301034140 |
6 | 33531551212432 |
7 | 3306511126145 |
oct | 543462732344 |
9 | 146166160832 |
10 | 47727752420 |
11 | 19272087897 |
12 | 92bbb17118 |
13 | 466809382a |
14 | 244aa47acc |
15 | 1395156415 |
hex | b1ccbb4e4 |
47727752420 has 24 divisors (see below), whose sum is σ = 100255546104. Its totient is φ = 19085907456.
The previous prime is 47727752419. The next prime is 47727752447. The reversal of 47727752420 is 2425772774.
It can be written as a sum of positive squares in 4 ways, for example, as 54523456 + 47673228964 = 7384^2 + 218342^2 .
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 7 ways as a sum of consecutive naturals, for example, 248807 + ... + 396686.
It is an arithmetic number, because the mean of its divisors is an integer number (4177314421).
Almost surely, 247727752420 is an apocalyptic number.
It is an amenable number.
47727752420 is an abundant number, since it is smaller than the sum of its proper divisors (52527793684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47727752420 is a wasteful number, since it uses less digits than its factorization.
47727752420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649199 (or 649197 counting only the distinct ones).
The product of its (nonzero) digits is 1536640, while the sum is 47.
The spelling of 47727752420 in words is "forty-seven billion, seven hundred twenty-seven million, seven hundred fifty-two thousand, four hundred twenty".
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