Base | Representation |
---|---|
bin | 1101101111110110001101… |
… | …00011110101100000011110 |
3 | 10222001002022001100202012120 |
4 | 12313323012203311200132 |
5 | 12430302211121042342 |
6 | 144144023403043410 |
7 | 6240066033403533 |
oct | 667730643654036 |
9 | 128032261322176 |
10 | 30231311112222 |
11 | 96a6032aa3300 |
12 | 3483044b10566 |
13 | 13b3a5364c35c |
14 | 7672bba8ad8a |
15 | 3765bc00eaec |
hex | 1b7ec68f581e |
30231311112222 has 96 divisors (see below), whose sum is σ = 70485756768000. Its totient is φ = 8607724519680.
The previous prime is 30231311112157. The next prime is 30231311112257. The reversal of 30231311112222 is 22221111313203.
It is a junction number, because it is equal to n+sod(n) for n = 30231311112192 and 30231311112201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5348229 + ... + 9437487.
It is an arithmetic number, because the mean of its divisors is an integer number (734226633000).
Almost surely, 230231311112222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30231311112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35242878384000).
30231311112222 is an abundant number, since it is smaller than the sum of its proper divisors (40254445655778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231311112222 is a wasteful number, since it uses less digits than its factorization.
30231311112222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4089902 (or 4089891 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 30231311112222 its reverse (22221111313203), we get a palindrome (52452422425425).
The spelling of 30231311112222 in words is "thirty trillion, two hundred thirty-one billion, three hundred eleven million, one hundred twelve thousand, two hundred twenty-two".
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