Base | Representation |
---|---|
bin | 11000000011111001011100… |
… | …10101100110011001110001 |
3 | 20221100012012021212200000100 |
4 | 30001330232111212121301 |
5 | 23413341130230034211 |
6 | 304310423322343013 |
7 | 14100441002315100 |
oct | 1401745625463161 |
9 | 227305167780010 |
10 | 52910479533681 |
11 | 1594a232361500 |
12 | 5b264a465aa69 |
13 | 236a58a89b243 |
14 | d0cc4918c037 |
15 | 61b4ca19b156 |
hex | 301f2e566671 |
52910479533681 has 81 divisors (see below), whose sum is σ = 97724032379883. Its totient is φ = 27485090519040.
The previous prime is 52910479533673. The next prime is 52910479533733. The reversal of 52910479533681 is 18633597401925.
The square root of 52910479533681 is 7273959.
It is a perfect power (a square), and thus also a powerful number.
52910479533681 is a `hidden beast` number, since 5 + 2 + 9 + 1 + 0 + 479 + 53 + 36 + 81 = 666.
52910479533681 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., 31480616556081 + 21429862977600 = 5610759^2 + 4629240^2 .
It is not a de Polignac number, because 52910479533681 - 23 = 52910479533673 is a prime.
It is a super-2 number, since 2×529104795336812 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (52910479532681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1680268785 + ... + 1680300273.
It is a 1-persistent number, because it is pandigital, but 2⋅52910479533681 = 105820959067362 is not.
Almost surely, 252910479533681 is an apocalyptic number.
52910479533681 is the 7273959-th square number.
52910479533681 is the 3636980-th centered octagonal number.
It is an amenable number.
52910479533681 is a deficient number, since it is larger than the sum of its proper divisors (44813552846202).
52910479533681 is an frugal number, since it uses more digits than its factorization.
52910479533681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63020 (or 31510 counting only the distinct ones).
The product of its (nonzero) digits is 48988800, while the sum is 63.
The spelling of 52910479533681 in words is "fifty-two trillion, nine hundred ten billion, four hundred seventy-nine million, five hundred thirty-three thousand, six hundred eighty-one".
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