Base | Representation |
---|---|
bin | 1111011001101101… |
… | …10001111111000001 |
3 | 210100021010001200002 |
4 | 13230312301333001 |
5 | 113413300011120 |
6 | 3444300005345 |
7 | 411623136101 |
oct | 75466617701 |
9 | 23307101602 |
10 | 8268750785 |
11 | 3563548939 |
12 | 1729230855 |
13 | a1a11c459 |
14 | 586265201 |
15 | 335dd5375 |
hex | 1ecdb1fc1 |
8268750785 has 16 divisors (see below), whose sum is σ = 10586391552. Its totient is φ = 6178348800.
The previous prime is 8268750781. The next prime is 8268750793. The reversal of 8268750785 is 5870578628.
It is not a de Polignac number, because 8268750785 - 22 = 8268750781 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8268750785.
It is not an unprimeable number, because it can be changed into a prime (8268750781) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360161 + ... + 382430.
It is an arithmetic number, because the mean of its divisors is an integer number (661649472).
Almost surely, 28268750785 is an apocalyptic number.
8268750785 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8268750785 is a deficient number, since it is larger than the sum of its proper divisors (2317640767).
8268750785 is a wasteful number, since it uses less digits than its factorization.
8268750785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 742744.
The product of its (nonzero) digits is 7526400, while the sum is 56.
The square root of 8268750785 is about 90932.6717137465. The cubic root of 8268750785 is about 2022.1496888233.
The spelling of 8268750785 in words is "eight billion, two hundred sixty-eight million, seven hundred fifty thousand, seven hundred eighty-five".
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