Base | Representation |
---|---|
bin | 11100011100000111… |
… | …101000010111101101 |
3 | 2220211010212121221200 |
4 | 130130013220113231 |
5 | 1000014323032420 |
6 | 22010035520113 |
7 | 2130503152263 |
oct | 343407502755 |
9 | 86733777850 |
10 | 30536533485 |
11 | 11a50093637 |
12 | 5b02759039 |
13 | 2b5859bc33 |
14 | 16997d0433 |
15 | bdacabb90 |
hex | 71c1e85ed |
30536533485 has 24 divisors (see below), whose sum is σ = 53316352440. Its totient is φ = 16167270912.
The previous prime is 30536533481. The next prime is 30536533493. The reversal of 30536533485 is 58433563503.
30536533485 is a `hidden beast` number, since 3 + 0 + 5 + 36 + 533 + 4 + 85 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3164841 + 30533368644 = 1779^2 + 174738^2 .
It is not a de Polignac number, because 30536533485 - 22 = 30536533481 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30536533485.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30536533481) 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, 2470440 + ... + 2482769.
It is an arithmetic number, because the mean of its divisors is an integer number (2221514685).
Almost surely, 230536533485 is an apocalyptic number.
It is an amenable number.
30536533485 is a deficient number, since it is larger than the sum of its proper divisors (22779818955).
30536533485 is a wasteful number, since it uses less digits than its factorization.
30536533485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4953357 (or 4953354 counting only the distinct ones).
The product of its (nonzero) digits is 1944000, while the sum is 45.
The spelling of 30536533485 in words is "thirty billion, five hundred thirty-six million, five hundred thirty-three thousand, four hundred eighty-five".
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