Base | Representation |
---|---|
bin | 1111010010100101… |
… | …10000100001000100 |
3 | 210012002122011222221 |
4 | 13221102300201010 |
5 | 113302444212230 |
6 | 3434322502124 |
7 | 410266100314 |
oct | 75122604104 |
9 | 23162564887 |
10 | 8208975940 |
11 | 3532831140 |
12 | 1711204944 |
13 | a0a920b19 |
14 | 57c345444 |
15 | 330a2927a |
hex | 1e94b0844 |
8208975940 has 24 divisors (see below), whose sum is σ = 18806018112. Its totient is φ = 2985082080.
The previous prime is 8208975917. The next prime is 8208975941. The reversal of 8208975940 is 495798028.
It is not an unprimeable number, because it can be changed into a prime (8208975941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18656544 + ... + 18656983.
It is an arithmetic number, because the mean of its divisors is an integer number (783584088).
Almost surely, 28208975940 is an apocalyptic number.
It is an amenable number.
8208975940 is an abundant number, since it is smaller than the sum of its proper divisors (10597042172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8208975940 is a wasteful number, since it uses less digits than its factorization.
8208975940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37313547 (or 37313545 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 52.
The square root of 8208975940 is about 90603.3991636075. The cubic root of 8208975940 is about 2017.2651894070.
The spelling of 8208975940 in words is "eight billion, two hundred eight million, nine hundred seventy-five thousand, nine hundred forty".
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