Base | Representation |
---|---|
bin | 101011111111101010… |
… | …000010110101001101 |
3 | 11111221011021222110200 |
4 | 223333222002311031 |
5 | 1233221123302220 |
6 | 33411245124113 |
7 | 3261423615606 |
oct | 537752026515 |
9 | 144834258420 |
10 | 47238884685 |
11 | 19041134273 |
12 | 91a4259639 |
13 | 45baa08795 |
14 | 2401b4cdad |
15 | 136728b890 |
hex | affa82d4d |
47238884685 has 12 divisors (see below), whose sum is σ = 81880733532. Its totient is φ = 25194071808.
The previous prime is 47238884579. The next prime is 47238884713. The reversal of 47238884685 is 58648883274.
47238884685 is a `hidden beast` number, since 472 + 3 + 8 + 8 + 84 + 6 + 85 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 35565810921 + 11673073764 = 188589^2 + 108042^2 .
It is not a de Polignac number, because 47238884685 - 211 = 47238882637 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524876452 + ... + 524876541.
It is an arithmetic number, because the mean of its divisors is an integer number (6823394461).
Almost surely, 247238884685 is an apocalyptic number.
47238884685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47238884685 is a deficient number, since it is larger than the sum of its proper divisors (34641848847).
47238884685 is a wasteful number, since it uses less digits than its factorization.
47238884685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1049753004 (or 1049753001 counting only the distinct ones).
The product of its digits is 82575360, while the sum is 63.
The spelling of 47238884685 in words is "forty-seven billion, two hundred thirty-eight million, eight hundred eighty-four thousand, six hundred eighty-five".
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