Base | Representation |
---|---|
bin | 11101110101001111100101… |
… | …110111001001100001101000 |
3 | 122012112210212110121120000001 |
4 | 131311033211313021201220 |
5 | 114144104122420232222 |
6 | 1143013245140552344 |
7 | 36431022244564255 |
oct | 3565174567114150 |
9 | 565483773546001 |
10 | 131202222430312 |
11 | 38894606144090 |
12 | 1286ba529b26b4 |
13 | 5829416425bc7 |
14 | 245831592242c |
15 | 1027d0e431e27 |
hex | 7753e5dc9868 |
131202222430312 has 128 divisors (see below), whose sum is σ = 271653995145600. Its totient is φ = 58912388121600.
The previous prime is 131202222430267. The next prime is 131202222430361. The reversal of 131202222430312 is 213034222202131.
It is a happy 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, 2186200018 + ... + 2186260030.
It is an arithmetic number, because the mean of its divisors is an integer number (2122296837075).
Almost surely, 2131202222430312 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 131202222430312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135826997572800).
131202222430312 is an abundant number, since it is smaller than the sum of its proper divisors (140451772715288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131202222430312 is a wasteful number, since it uses less digits than its factorization.
131202222430312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61107 (or 61103 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 131202222430312 its reverse (213034222202131), we get a palindrome (344236444632443).
The spelling of 131202222430312 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-two million, four hundred thirty thousand, three hundred twelve".
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