Base | Representation |
---|---|
bin | 1110001100010011110… |
… | …10110101000110001000 |
3 | 1201121200211111002110210 |
4 | 13012021322311012020 |
5 | 30442144133023442 |
6 | 1012004321041120 |
7 | 50142205564440 |
oct | 7061172650610 |
9 | 1647624432423 |
10 | 487645204872 |
11 | 17889a007011 |
12 | 7a6134861a0 |
13 | 36ca5641607 |
14 | 1986044b120 |
15 | ca4117d19c |
hex | 7189eb5188 |
487645204872 has 64 divisors (see below), whose sum is σ = 1396133176320. Its totient is φ = 139041085248.
The previous prime is 487645204819. The next prime is 487645204903. The reversal of 487645204872 is 278402546784.
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, 2898318 + ... + 3061949.
It is an arithmetic number, because the mean of its divisors is an integer number (21814580880).
Almost surely, 2487645204872 is an apocalyptic number.
487645204872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
487645204872 is an abundant number, since it is smaller than the sum of its proper divisors (908487971448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487645204872 is a wasteful number, since it uses less digits than its factorization.
487645204872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5960770 (or 5960766 counting only the distinct ones).
The product of its (nonzero) digits is 24084480, while the sum is 57.
The spelling of 487645204872 in words is "four hundred eighty-seven billion, six hundred forty-five million, two hundred four thousand, eight hundred seventy-two".
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