Base | Representation |
---|---|
bin | 100111101100100101… |
… | …0110011101101101000 |
3 | 22011001001220101012021 |
4 | 1033121022303231220 |
5 | 2344041423232002 |
6 | 103055021354224 |
7 | 6105343630405 |
oct | 1173112635550 |
9 | 264031811167 |
10 | 85247867752 |
11 | 33176220873 |
12 | 14631408974 |
13 | 806743a6c8 |
14 | 41a9b1d2ac |
15 | 233e087737 |
hex | 13d92b3b68 |
85247867752 has 32 divisors (see below), whose sum is σ = 171281174400. Its totient is φ = 39633305344.
The previous prime is 85247867729. The next prime is 85247867753. The reversal of 85247867752 is 25776874258.
It is not an unprimeable number, because it can be changed into a prime (85247867753) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764752 + ... + 3787327.
It is an arithmetic number, because the mean of its divisors is an integer number (5352536700).
Almost surely, 285247867752 is an apocalyptic number.
It is an amenable number.
85247867752 is an abundant number, since it is smaller than the sum of its proper divisors (86033306648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85247867752 is a wasteful number, since it uses less digits than its factorization.
85247867752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7552185 (or 7552181 counting only the distinct ones).
The product of its digits is 52684800, while the sum is 61.
The spelling of 85247867752 in words is "eighty-five billion, two hundred forty-seven million, eight hundred sixty-seven thousand, seven hundred fifty-two".
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