Base | Representation |
---|---|
bin | 1111111000110110… |
… | …11110000111101011 |
3 | 211000110202021020110 |
4 | 13330123132013223 |
5 | 114432141330422 |
6 | 3530232025403 |
7 | 421245014226 |
oct | 77433360753 |
9 | 24013667213 |
10 | 8530026987 |
11 | 3687a83589 |
12 | 17a0832263 |
13 | a5c2ac561 |
14 | 5acc385bd |
15 | 34dce560c |
hex | 1fc6de1eb |
8530026987 has 6 divisors (see below), whose sum is σ = 11373582612. Its totient is φ = 5686578012.
The previous prime is 8530026971. The next prime is 8530027007. The reversal of 8530026987 is 7896200358.
It is not a de Polignac number, because 8530026987 - 24 = 8530026971 is a prime.
It is a super-2 number, since 2×85300269872 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8530026907) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133308 + ... + 186630.
It is an arithmetic number, because the mean of its divisors is an integer number (1895597102).
Almost surely, 28530026987 is an apocalyptic number.
8530026987 is a deficient number, since it is larger than the sum of its proper divisors (2843555625).
8530026987 is an frugal number, since it uses more digits than its factorization.
8530026987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106649 (or 53326 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The square root of 8530026987 is about 92358.1452119952. The cubic root of 8530026987 is about 2043.2278601653.
Multiplying 8530026987 by its sum of digits (48), we get a square (409441295376 = 6398762).
The spelling of 8530026987 in words is "eight billion, five hundred thirty million, twenty-six thousand, nine hundred eighty-seven".
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