Base | Representation |
---|---|
bin | 1110001010010010101… |
… | …00101010010110000000 |
3 | 1201111220022020000121120 |
4 | 13011021110222112000 |
5 | 30432434213120121 |
6 | 1011305004352240 |
7 | 50103306102300 |
oct | 7051124522600 |
9 | 1644808200546 |
10 | 486561457536 |
11 | 178393292660 |
12 | 7a370545680 |
13 | 36b61c614bb |
14 | 1979a53d600 |
15 | c9cae57bc6 |
hex | 714952a580 |
486561457536 has 384 divisors, whose sum is σ = 1736603660160. Its totient is φ = 118944645120.
The previous prime is 486561457513. The next prime is 486561457579. The reversal of 486561457536 is 635754165684.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (384).
It is a self number, because there is not a number n which added to its sum of digits gives 486561457536.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3449451 + ... + 3587733.
It is an arithmetic number, because the mean of its divisors is an integer number (4522405365).
Almost surely, 2486561457536 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 486561457536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868301830080).
486561457536 is an abundant number, since it is smaller than the sum of its proper divisors (1250042202624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
486561457536 is a wasteful number, since it uses less digits than its factorization.
486561457536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138342 (or 138323 counting only the distinct ones).
The product of its digits is 72576000, while the sum is 60.
The spelling of 486561457536 in words is "four hundred eighty-six billion, five hundred sixty-one million, four hundred fifty-seven thousand, five hundred thirty-six".
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