Base | Representation |
---|---|
bin | 10011110100100001… |
… | …010011110101011011 |
3 | 2000221012021220102212 |
4 | 103310201103311123 |
5 | 322041223220013 |
6 | 13435452145335 |
7 | 1352252033300 |
oct | 236441236533 |
9 | 60835256385 |
10 | 21282241883 |
11 | 90312a8361 |
12 | 415b46824b |
13 | 2012235a46 |
14 | 105c7030a7 |
15 | 8485ee6a8 |
hex | 4f4853d5b |
21282241883 has 6 divisors (see below), whose sum is σ = 24756893676. Its totient is φ = 18241921572.
The previous prime is 21282241859. The next prime is 21282241891. The reversal of 21282241883 is 38814228212.
It is not a de Polignac number, because 21282241883 - 212 = 21282237787 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 21282241883.
It is not an unprimeable number, because it can be changed into a prime (21282241853) 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 5 ways as a sum of consecutive naturals, for example, 217165685 + ... + 217165782.
It is an arithmetic number, because the mean of its divisors is an integer number (4126148946).
Almost surely, 221282241883 is an apocalyptic number.
21282241883 is a deficient number, since it is larger than the sum of its proper divisors (3474651793).
21282241883 is an equidigital number, since it uses as much as digits as its factorization.
21282241883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434331481 (or 434331474 counting only the distinct ones).
The product of its digits is 98304, while the sum is 41.
The spelling of 21282241883 in words is "twenty-one billion, two hundred eighty-two million, two hundred forty-one thousand, eight hundred eighty-three".
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