Base | Representation |
---|---|
bin | 1111001001001011… |
… | …11011110000100011 |
3 | 202222121020201101020 |
4 | 13210211323300203 |
5 | 113122302213033 |
6 | 3422424340523 |
7 | 405320564655 |
oct | 74445736043 |
9 | 22877221336 |
10 | 8130116643 |
11 | 34a2269a70 |
12 | 16aa914743 |
13 | 9c749ca0c |
14 | 571a986d5 |
15 | 328b4d6b3 |
hex | 1e497bc23 |
8130116643 has 8 divisors (see below), whose sum is σ = 11825624256. Its totient is φ = 4927343400.
The previous prime is 8130116641. The next prime is 8130116647. The reversal of 8130116643 is 3466110318.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8130116643 - 21 = 8130116641 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 246367171 = 8130116643 / (8 + 1 + 3 + 0 + 1 + 1 + 6 + 6 + 4 + 3).
It is not an unprimeable number, because it can be changed into a prime (8130116641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123183553 + ... + 123183618.
It is an arithmetic number, because the mean of its divisors is an integer number (1478203032).
Almost surely, 28130116643 is an apocalyptic number.
8130116643 is a deficient number, since it is larger than the sum of its proper divisors (3695507613).
8130116643 is a wasteful number, since it uses less digits than its factorization.
8130116643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246367185.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 8130116643 is about 90167.1594484378. The cubic root of 8130116643 is about 2010.7847931683.
The spelling of 8130116643 in words is "eight billion, one hundred thirty million, one hundred sixteen thousand, six hundred forty-three".
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