Base | Representation |
---|---|
bin | 101100000110011111… |
… | …111100010001010001 |
3 | 11112020011022000202111 |
4 | 230012133330101101 |
5 | 1233440020130011 |
6 | 33430505345321 |
7 | 3264316420000 |
oct | 540637742121 |
9 | 145204260674 |
10 | 47353676881 |
11 | 1909aa09355 |
12 | 9216798241 |
13 | 460872b164 |
14 | 24130b0c37 |
15 | 13723b4121 |
hex | b067fc451 |
47353676881 has 15 divisors (see below), whose sum is σ = 55255111323. Its totient is φ = 40579726320.
The previous prime is 47353676873. The next prime is 47353676939. The reversal of 47353676881 is 18867635374.
The square root of 47353676881 is 217609.
It is a perfect power (a square), and thus also a powerful number.
47353676881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 18276606481 + 29077070400 = 135191^2 + 170520^2 .
It is not a de Polignac number, because 47353676881 - 23 = 47353676873 is a prime.
It is a super-2 number, since 2×473536768812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47353673881) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10660621 + ... + 10665061.
Almost surely, 247353676881 is an apocalyptic number.
47353676881 is the 217609-th square number.
47353676881 is the 108805-th centered octagonal number.
It is an amenable number.
47353676881 is a deficient number, since it is larger than the sum of its proper divisors (7901434442).
47353676881 is an frugal number, since it uses more digits than its factorization.
47353676881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8910 (or 4448 counting only the distinct ones).
The product of its digits is 20321280, while the sum is 58.
The spelling of 47353676881 in words is "forty-seven billion, three hundred fifty-three million, six hundred seventy-six thousand, eight hundred eighty-one".
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