Base | Representation |
---|---|
bin | 1111101110011001… |
… | …01101000111100100 |
3 | 210210100121202112100 |
4 | 13313030231013210 |
5 | 114242210121210 |
6 | 3513415052100 |
7 | 416131053411 |
oct | 76714550744 |
9 | 23710552470 |
10 | 8442270180 |
11 | 36424945a3 |
12 | 1777371030 |
13 | a47064656 |
14 | 5a1313108 |
15 | 34625d5c0 |
hex | 1f732d1e4 |
8442270180 has 72 divisors (see below), whose sum is σ = 25843217400. Its totient is φ = 2230612992.
The previous prime is 8442270173. The next prime is 8442270181. The reversal of 8442270180 is 810722448.
It can be written as a sum of positive squares in 4 ways, for example, as 143424576 + 8298845604 = 11976^2 + 91098^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (8442270181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195525 + ... + 234764.
It is an arithmetic number, because the mean of its divisors is an integer number (358933575).
Almost surely, 28442270180 is an apocalyptic number.
It is an amenable number.
8442270180 is an abundant number, since it is smaller than the sum of its proper divisors (17400947220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8442270180 is a wasteful number, since it uses less digits than its factorization.
8442270180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430413 (or 430408 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 36.
The square root of 8442270180 is about 91881.8272565364. The cubic root of 8442270180 is about 2036.1967923357.
The spelling of 8442270180 in words is "eight billion, four hundred forty-two million, two hundred seventy thousand, one hundred eighty".
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