Base | Representation |
---|---|
bin | 101000100010101… |
… | …011110110101000 |
3 | 1202101212210010211 |
4 | 220202223312220 |
5 | 2343111244120 |
6 | 151254350504 |
7 | 22566305311 |
oct | 5042536650 |
9 | 1671783124 |
10 | 680181160 |
11 | 319a4319a |
12 | 16b95b434 |
13 | aabc0579 |
14 | 66499608 |
15 | 3eaaa25a |
hex | 288abda8 |
680181160 has 16 divisors (see below), whose sum is σ = 1530407700. Its totient is φ = 272072448.
The previous prime is 680181157. The next prime is 680181163. The reversal of 680181160 is 61181086.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (680181157) and next prime (680181163).
It can be written as a sum of positive squares in 2 ways, for example, as 584962596 + 95218564 = 24186^2 + 9758^2 .
It is not an unprimeable number, because it can be changed into a prime (680181163) 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, 8502225 + ... + 8502304.
Almost surely, 2680181160 is an apocalyptic number.
It is an amenable number.
680181160 is an abundant number, since it is smaller than the sum of its proper divisors (850226540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680181160 is a wasteful number, since it uses less digits than its factorization.
680181160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17004540 (or 17004536 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 31.
The square root of 680181160 is about 26080.2829739250. The cubic root of 680181160 is about 879.4440186413. Note that the first 3 decimals are identical.
The spelling of 680181160 in words is "six hundred eighty million, one hundred eighty-one thousand, one hundred sixty".
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