Base | Representation |
---|---|
bin | 100111111101111011… |
… | …1110011001001010010 |
3 | 22012112122110012012101 |
4 | 1033323313303021102 |
5 | 2401240000243000 |
6 | 103232500351014 |
7 | 6125643463345 |
oct | 1177367631122 |
9 | 265478405171 |
10 | 85830087250 |
11 | 33444934a06 |
12 | 147743a546a |
13 | 812ac4c19b |
14 | 422319845c |
15 | 2375241e6a |
hex | 13fbdf3252 |
85830087250 has 32 divisors (see below), whose sum is σ = 160695398448. Its totient is φ = 34327446400.
The previous prime is 85830087223. The next prime is 85830087251. The reversal of 85830087250 is 5278003858.
It can be written as a sum of positive squares in 8 ways, for example, as 19370794041 + 66459293209 = 139179^2 + 257797^2 .
It is a super-2 number, since 2×858300872502 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 85830087250.
It is not an unprimeable number, because it can be changed into a prime (85830087251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335014 + ... + 2371486.
Almost surely, 285830087250 is an apocalyptic number.
85830087250 is a deficient number, since it is larger than the sum of its proper divisors (74865311198).
85830087250 is a wasteful number, since it uses less digits than its factorization.
85830087250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45903 (or 45893 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 46.
The spelling of 85830087250 in words is "eighty-five billion, eight hundred thirty million, eighty-seven thousand, two hundred fifty".
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