Base | Representation |
---|---|
bin | 1100110100001110… |
… | …00111011001000101 |
3 | 122202111220211022111 |
4 | 12122013013121011 |
5 | 103042403230340 |
6 | 3054425301021 |
7 | 332335326166 |
oct | 63207073105 |
9 | 18674824274 |
10 | 6880523845 |
11 | 2a10970448 |
12 | 1400334771 |
13 | 8586335b0 |
14 | 493b3976d |
15 | 2a40b8aea |
hex | 19a1c7645 |
6880523845 has 8 divisors (see below), whose sum is σ = 8891753976. Its totient is φ = 5081002176.
The previous prime is 6880523813. The next prime is 6880523861. The reversal of 6880523845 is 5483250886.
It can be written as a sum of positive squares in 4 ways, for example, as 1486796481 + 5393727364 = 38559^2 + 73442^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6880523845 - 25 = 6880523813 is a prime.
It is a super-2 number, since 2×68805238452 = 94683216763227168050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52927042 + ... + 52927171.
It is an arithmetic number, because the mean of its divisors is an integer number (1111469247).
Almost surely, 26880523845 is an apocalyptic number.
6880523845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
6880523845 is a deficient number, since it is larger than the sum of its proper divisors (2011230131).
6880523845 is a wasteful number, since it uses less digits than its factorization.
6880523845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105854231.
The product of its (nonzero) digits is 1843200, while the sum is 49.
The square root of 6880523845 is about 82948.9231093448. The cubic root of 6880523845 is about 1901.9853527156.
The spelling of 6880523845 in words is "six billion, eight hundred eighty million, five hundred twenty-three thousand, eight hundred forty-five".
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