Base | Representation |
---|---|
bin | 101101011010111101111… |
… | …000101001110111110100 |
3 | 102001101200222211121120210 |
4 | 231122331320221313310 |
5 | 402114441443033132 |
6 | 10345530425225420 |
7 | 441336342155100 |
oct | 55327570516764 |
9 | 12041628747523 |
10 | 3121332002292 |
11 | aa38275a6939 |
12 | 424b27932270 |
13 | 1984569786ba |
14 | ab1050d0900 |
15 | 562d660bbcc |
hex | 2d6bde29df4 |
3121332002292 has 144 divisors (see below), whose sum is σ = 8614073001408. Its totient is φ = 876990965760.
The previous prime is 3121332002273. The next prime is 3121332002293. The reversal of 3121332002292 is 2922002331213.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121332002293) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8780367 + ... + 9128937.
Almost surely, 23121332002292 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 3121332002292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4307036500704).
3121332002292 is an abundant number, since it is smaller than the sum of its proper divisors (5492740999116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121332002292 is a wasteful number, since it uses less digits than its factorization.
3121332002292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348846 (or 348837 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 3121332002292 in words is "three trillion, one hundred twenty-one billion, three hundred thirty-two million, two thousand, two hundred ninety-two".
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