Base | Representation |
---|---|
bin | 1001001101001110100001… |
… | …10100101101110111110000 |
3 | 2122200110122112220102221000 |
4 | 10212213100310231313300 |
5 | 10123201130143040402 |
6 | 111020423342202000 |
7 | 4156462634351013 |
oct | 446472064556760 |
9 | 78613575812830 |
10 | 20245684346352 |
11 | 64a6168011883 |
12 | 232b8ba883300 |
13 | b3b2102323ca |
14 | 4ddc7982d37a |
15 | 251983d77c1c |
hex | 1269d0d2ddf0 |
20245684346352 has 80 divisors (see below), whose sum is σ = 58161820217760. Its totient is φ = 6742847001600.
The previous prime is 20245684346219. The next prime is 20245684346417. The reversal of 20245684346352 is 25364348654202.
20245684346352 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 56 + 84 + 3 + 463 + 52 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 19331049 + ... + 20351432.
It is an arithmetic number, because the mean of its divisors is an integer number (727022752722).
Almost surely, 220245684346352 is an apocalyptic number.
It is an amenable number.
20245684346352 is an abundant number, since it is smaller than the sum of its proper divisors (37916135871408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20245684346352 is a wasteful number, since it uses less digits than its factorization.
20245684346352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39683679 (or 39683667 counting only the distinct ones).
The product of its (nonzero) digits is 33177600, while the sum is 54.
The spelling of 20245684346352 in words is "twenty trillion, two hundred forty-five billion, six hundred eighty-four million, three hundred forty-six thousand, three hundred fifty-two".
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