Base | Representation |
---|---|
bin | 1111110100001100… |
… | …01010101110000101 |
3 | 210220202002210201220 |
4 | 13322012022232011 |
5 | 114342131404234 |
6 | 3522313110553 |
7 | 420261233466 |
oct | 77206125605 |
9 | 23822083656 |
10 | 8490888069 |
11 | 3667980974 |
12 | 178b6b8459 |
13 | a54157931 |
14 | 5a796ad6d |
15 | 34a663a49 |
hex | 1fa18ab85 |
8490888069 has 8 divisors (see below), whose sum is σ = 11321796192. Its totient is φ = 5660286000.
The previous prime is 8490888061. The next prime is 8490888103. The reversal of 8490888069 is 9608880948.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8490888069 - 23 = 8490888061 is a prime.
It is a super-2 number, since 2×84908880692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8490888061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 130319.
It is an arithmetic number, because the mean of its divisors is an integer number (1415224524).
Almost surely, 28490888069 is an apocalyptic number.
It is an amenable number.
8490888069 is a deficient number, since it is larger than the sum of its proper divisors (2830908123).
8490888069 is a wasteful number, since it uses less digits than its factorization.
8490888069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153027.
The product of its (nonzero) digits is 7962624, while the sum is 60.
The square root of 8490888069 is about 92146.0149382490. The cubic root of 8490888069 is about 2040.0980400306.
The spelling of 8490888069 in words is "eight billion, four hundred ninety million, eight hundred eighty-eight thousand, sixty-nine".
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