Base | Representation |
---|---|
bin | 10000101101011101… |
… | …10010010100001000 |
3 | 212011020002011100101 |
4 | 20112232302110020 |
5 | 121333123014211 |
6 | 4042114015144 |
7 | 435213526630 |
oct | 102656622410 |
9 | 25136064311 |
10 | 8971298056 |
11 | 3894078016 |
12 | 18a45774b4 |
13 | acc8410b6 |
14 | 6116a36c0 |
15 | 37790c5c1 |
hex | 216bb2508 |
8971298056 has 16 divisors (see below), whose sum is σ = 19224210240. Its totient is φ = 3844842000.
The previous prime is 8971298047. The next prime is 8971298069. The reversal of 8971298056 is 6508921798.
It is a junction number, because it is equal to n+sod(n) for n = 8971297988 and 8971298006.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80100820 + ... + 80100931.
It is an arithmetic number, because the mean of its divisors is an integer number (1201513140).
Almost surely, 28971298056 is an apocalyptic number.
It is an amenable number.
8971298056 is an abundant number, since it is smaller than the sum of its proper divisors (10252912184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8971298056 is a wasteful number, since it uses less digits than its factorization.
8971298056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160201764 (or 160201760 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 55.
The square root of 8971298056 is about 94716.9364791746. The cubic root of 8971298056 is about 2077.8702664638.
It can be divided in two parts, 897129 and 8056, that added together give a triangular number (905185 = T1345).
The spelling of 8971298056 in words is "eight billion, nine hundred seventy-one million, two hundred ninety-eight thousand, fifty-six".
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