Base | Representation |
---|---|
bin | 1000010001011001011… |
… | …00010111010100000100 |
3 | 1000011121121200112111110 |
4 | 10020230230113110010 |
5 | 14124034210400433 |
6 | 334322351005020 |
7 | 26351115216210 |
oct | 4105454272404 |
9 | 1004547615443 |
10 | 284217668868 |
11 | aa599512331 |
12 | 470bbb09770 |
13 | 20a561a8033 |
14 | da83071940 |
15 | 75d6d62963 |
hex | 422cb17504 |
284217668868 has 96 divisors (see below), whose sum is σ = 819571544064. Its totient is φ = 74802129408.
The previous prime is 284217668849. The next prime is 284217668879. The reversal of 284217668868 is 868866712482.
It is a junction number, because it is equal to n+sod(n) for n = 284217668799 and 284217668808.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050246 + ... + 2184477.
It is an arithmetic number, because the mean of its divisors is an integer number (8537203584).
Almost surely, 2284217668868 is an apocalyptic number.
284217668868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
284217668868 is an abundant number, since it is smaller than the sum of its proper divisors (535353875196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284217668868 is a wasteful number, since it uses less digits than its factorization.
284217668868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4234801 (or 4234799 counting only the distinct ones).
The product of its digits is 99090432, while the sum is 66.
The spelling of 284217668868 in words is "two hundred eighty-four billion, two hundred seventeen million, six hundred sixty-eight thousand, eight hundred sixty-eight".
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