Base | Representation |
---|---|
bin | 1111011011111101… |
… | …11011010110000010 |
3 | 210101120200221000122 |
4 | 13231332323112002 |
5 | 113433120212430 |
6 | 3450213220242 |
7 | 412242656141 |
oct | 75576732602 |
9 | 23346627018 |
10 | 8287663490 |
11 | 3573196277 |
12 | 1733631682 |
13 | a210119c2 |
14 | 588989758 |
15 | 3378bdee5 |
hex | 1edfbb582 |
8287663490 has 64 divisors (see below), whose sum is σ = 15371579520. Its totient is φ = 3216153600.
The previous prime is 8287663487. The next prime is 8287663499. The reversal of 8287663490 is 943667828.
It is a super-2 number, since 2×82876634902 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8287663499) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20667290 + ... + 20667690.
It is an arithmetic number, because the mean of its divisors is an integer number (240180930).
Almost surely, 28287663490 is an apocalyptic number.
8287663490 is a deficient number, since it is larger than the sum of its proper divisors (7083916030).
8287663490 is a wasteful number, since it uses less digits than its factorization.
8287663490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867.
The product of its (nonzero) digits is 3483648, while the sum is 53.
The square root of 8287663490 is about 91036.6052200981. The cubic root of 8287663490 is about 2023.6902358944.
The spelling of 8287663490 in words is "eight billion, two hundred eighty-seven million, six hundred sixty-three thousand, four hundred ninety".
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