Base | Representation |
---|---|
bin | 101000000010010001… |
… | …111100010010000000 |
3 | 11002221220101010221102 |
4 | 220002101330102000 |
5 | 1201014402241002 |
6 | 31425352313532 |
7 | 3051165245114 |
oct | 500221742200 |
9 | 132856333842 |
10 | 42987930752 |
11 | 1725a6256a8 |
12 | 83b86a28a8 |
13 | 40910cc420 |
14 | 211b351744 |
15 | 11b8e94a02 |
hex | a0247c480 |
42987930752 has 64 divisors (see below), whose sum is σ = 92267649600. Its totient is φ = 19831993344.
The previous prime is 42987930743. The next prime is 42987930793. The reversal of 42987930752 is 25703978924.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5419013 + ... + 5426939.
It is an arithmetic number, because the mean of its divisors is an integer number (1441682025).
Almost surely, 242987930752 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 42987930752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46133824800).
42987930752 is an abundant number, since it is smaller than the sum of its proper divisors (49279718848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42987930752 is a wasteful number, since it uses less digits than its factorization.
42987930752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11213 (or 11201 counting only the distinct ones).
The product of its (nonzero) digits is 7620480, while the sum is 56.
The spelling of 42987930752 in words is "forty-two billion, nine hundred eighty-seven million, nine hundred thirty thousand, seven hundred fifty-two".
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