Base | Representation |
---|---|
bin | 10011001010111110… |
… | …111010100000000000 |
3 | 1222010121222121100001 |
4 | 103022332322200000 |
5 | 314124322444420 |
6 | 13242355405344 |
7 | 1326060444646 |
oct | 231276724000 |
9 | 58117877301 |
10 | 20585359360 |
11 | 8803998195 |
12 | 3ba5bb3854 |
13 | 1c30a48617 |
14 | dd3d3b196 |
15 | 807345b0a |
hex | 4cafba800 |
20585359360 has 48 divisors (see below), whose sum is σ = 49392825300. Its totient is φ = 8234139648.
The previous prime is 20585359357. The next prime is 20585359367. The reversal of 20585359360 is 6395358502.
It can be written as a sum of positive squares in 2 ways, for example, as 19815629824 + 769729536 = 140768^2 + 27744^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20585359360.
It is not an unprimeable number, because it can be changed into a prime (20585359367) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994905 + ... + 1015384.
Almost surely, 220585359360 is an apocalyptic number.
20585359360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20585359360 is an abundant number, since it is smaller than the sum of its proper divisors (28807465940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20585359360 is an equidigital number, since it uses as much as digits as its factorization.
20585359360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2010316 (or 2010296 counting only the distinct ones).
The product of its (nonzero) digits is 972000, while the sum is 46.
The spelling of 20585359360 in words is "twenty billion, five hundred eighty-five million, three hundred fifty-nine thousand, three hundred sixty".
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