Base | Representation |
---|---|
bin | 101011110110100011… |
… | …111010001101111001 |
3 | 11111112112010221101022 |
4 | 223312203322031321 |
5 | 1232413042002333 |
6 | 33344154232225 |
7 | 3254561534621 |
oct | 536643721571 |
9 | 144475127338 |
10 | 47086281593 |
11 | 18a72a8430a |
12 | 9161125675 |
13 | 4595207ab0 |
14 | 23c9787881 |
15 | 1358b95c98 |
hex | af68fa379 |
47086281593 has 24 divisors (see below), whose sum is σ = 53551717128. Its totient is φ = 41150446848.
The previous prime is 47086281587. The next prime is 47086281601. The reversal of 47086281593 is 39518268074.
It can be written as a sum of positive squares in 4 ways, for example, as 6271372864 + 40814908729 = 79192^2 + 202027^2 .
It is not a de Polignac number, because 47086281593 - 28 = 47086281337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47086281293) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13030655 + ... + 13034267.
It is an arithmetic number, because the mean of its divisors is an integer number (2231321547).
It is a 1-persistent number, because it is pandigital, but 2⋅47086281593 = 94172563186 is not.
Almost surely, 247086281593 is an apocalyptic number.
It is an amenable number.
47086281593 is a deficient number, since it is larger than the sum of its proper divisors (6465435535).
47086281593 is a wasteful number, since it uses less digits than its factorization.
47086281593 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6441 (or 6422 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 53.
The spelling of 47086281593 in words is "forty-seven billion, eighty-six million, two hundred eighty-one thousand, five hundred ninety-three".
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