Base | Representation |
---|---|
bin | 1111110111101100… |
… | …00000101011000010 |
3 | 210222210021100210210 |
4 | 13323312000223002 |
5 | 114422133111132 |
6 | 3525241334550 |
7 | 421065364524 |
oct | 77366005302 |
9 | 23883240723 |
10 | 8520207042 |
11 | 3682486726 |
12 | 1799497456 |
13 | a5a251939 |
14 | 5ab7dda14 |
15 | 34d005bcc |
hex | 1fbd80ac2 |
8520207042 has 48 divisors (see below), whose sum is σ = 17687583360. Its totient is φ = 2734152192.
The previous prime is 8520207029. The next prime is 8520207053. The reversal of 8520207042 is 2407020258.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2086759 + ... + 2090837.
It is an arithmetic number, because the mean of its divisors is an integer number (368491320).
Almost surely, 28520207042 is an apocalyptic number.
8520207042 is an abundant number, since it is smaller than the sum of its proper divisors (9167376318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8520207042 is a wasteful number, since it uses less digits than its factorization.
8520207042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4315 (or 4218 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 8520207042 is about 92304.9675911324. The cubic root of 8520207042 is about 2042.4434902494.
The spelling of 8520207042 in words is "eight billion, five hundred twenty million, two hundred seven thousand, forty-two".
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