Base | Representation |
---|---|
bin | 1110001110110110110… |
… | …00110010101010100000 |
3 | 1201202020002101011202000 |
4 | 13013123120302222200 |
5 | 31002444033414403 |
6 | 1012352104324000 |
7 | 50221113351060 |
oct | 7073330625240 |
9 | 1652202334660 |
10 | 489012013728 |
11 | 179430595807 |
12 | 7a935173600 |
13 | 3716286b754 |
14 | 1994db9d3a0 |
15 | cac11687a3 |
hex | 71db632aa0 |
489012013728 has 384 divisors, whose sum is σ = 1740662784000. Its totient is φ = 130546805760.
The previous prime is 489012013727. The next prime is 489012013783. The reversal of 489012013728 is 827310210984.
It is a happy number.
489012013728 is a `hidden beast` number, since 489 + 0 + 12 + 0 + 137 + 28 = 666.
It is not an unprimeable number, because it can be changed into a prime (489012013727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5392183 + ... + 5482121.
It is an arithmetic number, because the mean of its divisors is an integer number (4532976000).
Almost surely, 2489012013728 is an apocalyptic number.
489012013728 is a gapful number since it is divisible by the number (48) 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 489012013728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870331392000).
489012013728 is an abundant number, since it is smaller than the sum of its proper divisors (1251650770272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489012013728 is a wasteful number, since it uses less digits than its factorization.
489012013728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90025 (or 90011 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 489012013728 in words is "four hundred eighty-nine billion, twelve million, thirteen thousand, seven hundred twenty-eight".
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