Base | Representation |
---|---|
bin | 100111101101100110… |
… | …1000110001010000010 |
3 | 22011010110011121001002 |
4 | 1033123031012022002 |
5 | 2344124144201033 |
6 | 103102241412002 |
7 | 6106240140464 |
oct | 1173315061202 |
9 | 264113147032 |
10 | 85282022018 |
11 | 33193529436 |
12 | 1464093a002 |
13 | 807153852b |
14 | 41b0490134 |
15 | 23420823e8 |
hex | 13db346282 |
85282022018 has 18 divisors (see below), whose sum is σ = 131497416603. Its totient is φ = 41481117360.
The previous prime is 85282022011. The next prime is 85282022047. The reversal of 85282022018 is 81022028258.
It can be written as a sum of positive squares in 5 ways, for example, as 64220175889 + 21061846129 = 253417^2 + 145127^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=206497.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85282022011) 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 8 ways as a sum of consecutive naturals, for example, 15277988 + ... + 15283568.
Almost surely, 285282022018 is an apocalyptic number.
85282022018 is a deficient number, since it is larger than the sum of its proper divisors (46215394585).
85282022018 is an frugal number, since it uses more digits than its factorization.
85282022018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11238 (or 5620 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 38.
The spelling of 85282022018 in words is "eighty-five billion, two hundred eighty-two million, twenty-two thousand, eighteen".
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