Base | Representation |
---|---|
bin | 1000110111000001… |
… | …1100001000000000 |
3 | 20010202011102110200 |
4 | 2031300130020000 |
5 | 14332320114233 |
6 | 1031554525200 |
7 | 112636044111 |
oct | 21560341000 |
9 | 6122142420 |
10 | 2378285568 |
11 | 101053116a |
12 | 564596800 |
13 | 2bb955089 |
14 | 187c0a208 |
15 | ddbd7313 |
hex | 8dc1c200 |
2378285568 has 120 divisors (see below), whose sum is σ = 6977240556. Its totient is φ = 779673600.
The previous prime is 2378285561. The next prime is 2378285579. The reversal of 2378285568 is 8655828732.
2378285568 is a `hidden beast` number, since 2 + 3 + 7 + 82 + 8 + 556 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2345658624 + 32626944 = 48432^2 + 5712^2 .
It is not an unprimeable number, because it can be changed into a prime (2378285561) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276858 + ... + 285318.
Almost surely, 22378285568 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 2378285568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3488620278).
2378285568 is an abundant number, since it is smaller than the sum of its proper divisors (4598954988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2378285568 is an equidigital number, since it uses as much as digits as its factorization.
2378285568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8546 (or 8527 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 54.
The square root of 2378285568 is about 48767.6692902173. The cubic root of 2378285568 is about 1334.8157840330.
The spelling of 2378285568 in words is "two billion, three hundred seventy-eight million, two hundred eighty-five thousand, five hundred sixty-eight".
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