Base | Representation |
---|---|
bin | 10011011001010000… |
… | …100101110101010101 |
3 | 1222202022200020002200 |
4 | 103121100211311111 |
5 | 320122131434300 |
6 | 13322233155113 |
7 | 1335026340213 |
oct | 233120456525 |
9 | 58668606080 |
10 | 20824874325 |
11 | 891710a342 |
12 | 405225ba99 |
13 | 1c6b559758 |
14 | 1017a87cb3 |
15 | 81d3a8200 |
hex | 4d9425d55 |
20824874325 has 36 divisors (see below), whose sum is σ = 37546742688. Its totient is φ = 11033028000.
The previous prime is 20824874303. The next prime is 20824874327. The reversal of 20824874325 is 52347842802.
20824874325 is a `hidden beast` number, since 208 + 2 + 4 + 8 + 7 + 432 + 5 = 666.
It is not a de Polignac number, because 20824874325 - 216 = 20824808789 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20824874327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 272499 + ... + 340448.
Almost surely, 220824874325 is an apocalyptic number.
20824874325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20824874325 is a deficient number, since it is larger than the sum of its proper divisors (16721868363).
20824874325 is a wasteful number, since it uses less digits than its factorization.
20824874325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613114 (or 613106 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 45.
The spelling of 20824874325 in words is "twenty billion, eight hundred twenty-four million, eight hundred seventy-four thousand, three hundred twenty-five".
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