Base | Representation |
---|---|
bin | 100111101010001110… |
… | …0001110101000000000 |
3 | 22010211112122112102201 |
4 | 1033110130032220000 |
5 | 2343411122021402 |
6 | 103043105322544 |
7 | 6103361500456 |
oct | 1172434165000 |
9 | 263745575381 |
10 | 85168548352 |
11 | 33135474a48 |
12 | 1460a936454 |
13 | 8053b88054 |
14 | 419d3929d6 |
15 | 233711a687 |
hex | 13d470ea00 |
85168548352 has 40 divisors (see below), whose sum is σ = 170403659316. Its totient is φ = 42525990912.
The previous prime is 85168548343. The next prime is 85168548359. The reversal of 85168548352 is 25384586158.
It can be written as a sum of positive squares in 2 ways, for example, as 52195799296 + 32972749056 = 228464^2 + 181584^2 .
It is a junction number, because it is equal to n+sod(n) for n = 85168548293 and 85168548302.
It is not an unprimeable number, because it can be changed into a prime (85168548359) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261828 + ... + 488764.
Almost surely, 285168548352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85168548352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85201829658).
85168548352 is an abundant number, since it is smaller than the sum of its proper divisors (85235110964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85168548352 is an equidigital number, since it uses as much as digits as its factorization.
85168548352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227688 (or 227672 counting only the distinct ones).
The product of its digits is 9216000, while the sum is 55.
The spelling of 85168548352 in words is "eighty-five billion, one hundred sixty-eight million, five hundred forty-eight thousand, three hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •