Base | Representation |
---|---|
bin | 101011110101010010… |
… | …010101000011110011 |
3 | 11111111000220102111100 |
4 | 223311102111003303 |
5 | 1232342103130411 |
6 | 33342112015443 |
7 | 3254212004310 |
oct | 536522250363 |
9 | 144430812440 |
10 | 47064895731 |
11 | 18a619a7847 |
12 | 9155b31583 |
13 | 459095a939 |
14 | 23c69bbd07 |
15 | 1356d6e456 |
hex | af54950f3 |
47064895731 has 24 divisors (see below), whose sum is σ = 80373552480. Its totient is φ = 25966838016.
The previous prime is 47064895721. The next prime is 47064895819. The reversal of 47064895731 is 13759846074.
47064895731 is a `hidden beast` number, since 4 + 7 + 0 + 64 + 8 + 9 + 573 + 1 = 666.
It is not a de Polignac number, because 47064895731 - 29 = 47064895219 is a prime.
It is a super-2 number, since 2×470648957312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47064895721) 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 23 ways as a sum of consecutive naturals, for example, 12878550 + ... + 12882203.
It is an arithmetic number, because the mean of its divisors is an integer number (3348898020).
Almost surely, 247064895731 is an apocalyptic number.
47064895731 is a deficient number, since it is larger than the sum of its proper divisors (33308656749).
47064895731 is a wasteful number, since it uses less digits than its factorization.
47064895731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25760795 (or 25760792 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
The spelling of 47064895731 in words is "forty-seven billion, sixty-four million, eight hundred ninety-five thousand, seven hundred thirty-one".
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