Base | Representation |
---|---|
bin | 10000010111000001… |
… | …11111000100100001 |
3 | 211200010000021112221 |
4 | 20023200333010201 |
5 | 120441440142123 |
6 | 4011312551041 |
7 | 430440244444 |
oct | 101340770441 |
9 | 24603007487 |
10 | 8783130913 |
11 | 37a7937287 |
12 | 1851552481 |
13 | a9c86a9ab |
14 | 5d46c165b |
15 | 36613e25d |
hex | 20b83f121 |
8783130913 has 4 divisors (see below), whose sum is σ = 8839074580. Its totient is φ = 8727187248.
The previous prime is 8783130901. The next prime is 8783130973. The reversal of 8783130913 is 3190313878.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5279911569 + 3503219344 = 72663^2 + 59188^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8783130913 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 8783130913.
It is not an unprimeable number, because it can be changed into a prime (8783130973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27971598 + ... + 27971911.
It is an arithmetic number, because the mean of its divisors is an integer number (2209768645).
Almost surely, 28783130913 is an apocalyptic number.
It is an amenable number.
8783130913 is a deficient number, since it is larger than the sum of its proper divisors (55943667).
8783130913 is a wasteful number, since it uses less digits than its factorization.
8783130913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55943666.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 8783130913 is about 93718.3595300302. The cubic root of 8783130913 is about 2063.2401731924.
The spelling of 8783130913 in words is "eight billion, seven hundred eighty-three million, one hundred thirty thousand, nine hundred thirteen".
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