Base | Representation |
---|---|
bin | 11111000000101111101… |
… | …010000000011111100000 |
3 | 21112201202020212120010210 |
4 | 133000233222000133200 |
5 | 234403444422220112 |
6 | 4311003152054120 |
7 | 306652504223631 |
oct | 37005752003740 |
9 | 7481666776123 |
10 | 2131103320032 |
11 | 7518832a2655 |
12 | 2a5032234340 |
13 | 125c67baca9b |
14 | 752086bd888 |
15 | 3a67cb30b3c |
hex | 1f02fa807e0 |
2131103320032 has 48 divisors (see below), whose sum is σ = 5598520381440. Its totient is φ = 709812323712.
The previous prime is 2131103319977. The next prime is 2131103320039. The reversal of 2131103320032 is 2300233011312.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 2131103319990 and 2131103320008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131103320039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8555478 + ... + 8801045.
It is an arithmetic number, because the mean of its divisors is an integer number (116635841280).
Almost surely, 22131103320032 is an apocalyptic number.
It is an amenable number.
2131103320032 is an abundant number, since it is smaller than the sum of its proper divisors (3467417061408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131103320032 is a wasteful number, since it uses less digits than its factorization.
2131103320032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17357815 (or 17357807 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2131103320032 its reverse (2300233011312), we get a palindrome (4431336331344).
The spelling of 2131103320032 in words is "two trillion, one hundred thirty-one billion, one hundred three million, three hundred twenty thousand, thirty-two".
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