Base | Representation |
---|---|
bin | 1110001000110101010… |
… | …11000000010000000000 |
3 | 1201102212202111011010020 |
4 | 13010122223000100000 |
5 | 30424333332112110 |
6 | 1011055205133440 |
7 | 50045023355055 |
oct | 7043253002000 |
9 | 1642782434106 |
10 | 485778785280 |
11 | 178021507388 |
12 | 7a1923ba280 |
13 | 36a68a67619 |
14 | 1972460502c |
15 | c9823a4d70 |
hex | 711aac0400 |
485778785280 has 176 divisors, whose sum is σ = 1554292405824. Its totient is φ = 129494384640.
The previous prime is 485778785257. The next prime is 485778785351. The reversal of 485778785280 is 82587877584.
It is a super-3 number, since 3×4857787852803 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73924395 + ... + 73930965.
Almost surely, 2485778785280 is an apocalyptic number.
485778785280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 485778785280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777146202912).
485778785280 is an abundant number, since it is smaller than the sum of its proper divisors (1068513620544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485778785280 is a wasteful number, since it uses less digits than its factorization.
485778785280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11412 (or 11394 counting only the distinct ones).
The product of its (nonzero) digits is 280985600, while the sum is 69.
The spelling of 485778785280 in words is "four hundred eighty-five billion, seven hundred seventy-eight million, seven hundred eighty-five thousand, two hundred eighty".
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