Base | Representation |
---|---|
bin | 1011110100001110… |
… | …1101000111101100 |
3 | 22012001102102220000 |
4 | 2331003231013230 |
5 | 22443444140233 |
6 | 1242424024300 |
7 | 141413260011 |
oct | 27503550754 |
9 | 8161372800 |
10 | 3171865068 |
11 | 1388487199 |
12 | 746302090 |
13 | 3b719a748 |
14 | 221383708 |
15 | 1386e1d13 |
hex | bd0ed1ec |
3171865068 has 180 divisors, whose sum is σ = 8760595536. Its totient is φ = 1000382400.
The previous prime is 3171865061. The next prime is 3171865069. The reversal of 3171865068 is 8605681713.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (3171865061) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18993121 + ... + 18993287.
Almost surely, 23171865068 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 3171865068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4380297768).
3171865068 is an abundant number, since it is smaller than the sum of its proper divisors (5588730468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3171865068 is a wasteful number, since it uses less digits than its factorization.
3171865068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 3171865068 is about 56319.3134546223. The cubic root of 3171865068 is about 1469.2811312270.
The spelling of 3171865068 in words is "three billion, one hundred seventy-one million, eight hundred sixty-five thousand, sixty-eight".
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