Base | Representation |
---|---|
bin | 10000100000100100… |
… | …01010010000001111 |
3 | 211212200112200112202 |
4 | 20100102022100033 |
5 | 121122430140024 |
6 | 4023251352115 |
7 | 432431240006 |
oct | 102022122017 |
9 | 24780480482 |
10 | 8863130639 |
11 | 3839008260 |
12 | 18742b263b |
13 | ab32cabcc |
14 | 601187c3d |
15 | 36d192bae |
hex | 21048a40f |
8863130639 has 4 divisors (see below), whose sum is σ = 9668869800. Its totient is φ = 8057391480.
The previous prime is 8863130567. The next prime is 8863130641. The reversal of 8863130639 is 9360313688.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8863130639 - 28 = 8863130383 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8863130593 and 8863130602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8863130699) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402869564 + ... + 402869585.
It is an arithmetic number, because the mean of its divisors is an integer number (2417217450).
Almost surely, 28863130639 is an apocalyptic number.
8863130639 is a deficient number, since it is larger than the sum of its proper divisors (805739161).
8863130639 is a wasteful number, since it uses less digits than its factorization.
8863130639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805739160.
The product of its (nonzero) digits is 559872, while the sum is 47.
The square root of 8863130639 is about 94144.2013031074. The cubic root of 8863130639 is about 2069.4854796421.
The spelling of 8863130639 in words is "eight billion, eight hundred sixty-three million, one hundred thirty thousand, six hundred thirty-nine".
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