Base | Representation |
---|---|
bin | 1011111001000001… |
… | …0000000001100110 |
3 | 22020110011220011000 |
4 | 2332100100001212 |
5 | 23014113242412 |
6 | 1244422054130 |
7 | 142045652142 |
oct | 27620200146 |
9 | 8213156130 |
10 | 3191930982 |
11 | 1398841a99 |
12 | 750b7a346 |
13 | 3bb3a4b76 |
14 | 223cc8222 |
15 | 13a3574dc |
hex | be410066 |
3191930982 has 64 divisors (see below), whose sum is σ = 7518571200. Its totient is φ = 1000304640.
The previous prime is 3191930969. The next prime is 3191930993. The reversal of 3191930982 is 2890391913.
It is a happy number.
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 a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475982 + ... + 1478142.
It is an arithmetic number, because the mean of its divisors is an integer number (117477675).
Almost surely, 23191930982 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3191930982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3759285600).
3191930982 is an abundant number, since it is smaller than the sum of its proper divisors (4326640218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3191930982 is a wasteful number, since it uses less digits than its factorization.
3191930982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3798 (or 3792 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The square root of 3191930982 is about 56497.1767613214. The cubic root of 3191930982 is about 1472.3729520667.
The spelling of 3191930982 in words is "three billion, one hundred ninety-one million, nine hundred thirty thousand, nine hundred eighty-two".
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