Base | Representation |
---|---|
bin | 100111110010111101… |
… | …000111000010100000 |
3 | 11002021222120010201002 |
4 | 213302331013002200 |
5 | 1200003041432202 |
6 | 31344045331132 |
7 | 3041623622342 |
oct | 476275070240 |
9 | 132258503632 |
10 | 42730811552 |
11 | 1713847a1a0 |
12 | 8346566aa8 |
13 | 404ca664a0 |
14 | 20d5141292 |
15 | 11a1606302 |
hex | 9f2f470a0 |
42730811552 has 96 divisors (see below), whose sum is σ = 99246337344. Its totient is φ = 17854156800.
The previous prime is 42730811549. The next prime is 42730811573. The reversal of 42730811552 is 25511803724.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 1083443 + ... + 1122189.
It is an arithmetic number, because the mean of its divisors is an integer number (1033816014).
Almost surely, 242730811552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42730811552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49623168672).
42730811552 is an abundant number, since it is smaller than the sum of its proper divisors (56515525792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42730811552 is a wasteful number, since it uses less digits than its factorization.
42730811552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39022 (or 39014 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 38.
The spelling of 42730811552 in words is "forty-two billion, seven hundred thirty million, eight hundred eleven thousand, five hundred fifty-two".
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