Base | Representation |
---|---|
bin | 10000010100110100… |
… | …01010011001100010 |
3 | 211121211002001000212 |
4 | 20022122022121202 |
5 | 120422212040330 |
6 | 4005411014122 |
7 | 430123400621 |
oct | 101232123142 |
9 | 24554061025 |
10 | 8764565090 |
11 | 3798406526 |
12 | 184729a342 |
13 | a98a6a2b8 |
14 | 5d204b6b8 |
15 | 3646c3295 |
hex | 20a68a662 |
8764565090 has 32 divisors (see below), whose sum is σ = 15911858160. Its totient is φ = 3475814400.
The previous prime is 8764564997. The next prime is 8764565093. The reversal of 8764565090 is 905654678.
It can be written as a sum of positive squares in 8 ways, for example, as 8423017729 + 341547361 = 91777^2 + 18481^2 .
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (8764565093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543950 + ... + 559830.
Almost surely, 28764565090 is an apocalyptic number.
8764565090 is a deficient number, since it is larger than the sum of its proper divisors (7147293070).
8764565090 is a wasteful number, since it uses less digits than its factorization.
8764565090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16358.
The product of its (nonzero) digits is 1814400, while the sum is 50.
The square root of 8764565090 is about 93619.2559786714. The cubic root of 8764565090 is about 2061.7853854380.
The spelling of 8764565090 in words is "eight billion, seven hundred sixty-four million, five hundred sixty-five thousand, ninety".
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