Base | Representation |
---|---|
bin | 1101101111110110001100… |
… | …00001111000011011101010 |
3 | 10222001002021102121112110000 |
4 | 12313323012001320123222 |
5 | 12430302201331230211 |
6 | 144144022444203430 |
7 | 6240065564632410 |
oct | 667730601703352 |
9 | 128032242545400 |
10 | 30231302211306 |
11 | 96a6028a73979 |
12 | 3483041b39576 |
13 | 13b3a51853b41 |
14 | 7672ba8112b0 |
15 | 3765bb352656 |
hex | 1b7ec60786ea |
30231302211306 has 160 divisors (see below), whose sum is σ = 79452202896000. Its totient is φ = 8413214179968.
The previous prime is 30231302211233. The next prime is 30231302211307. The reversal of 30231302211306 is 60311220313203.
30231302211306 is a `hidden beast` number, since 3 + 0 + 2 + 3 + 130 + 221 + 1 + 306 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 30231302211306.
It is not an unprimeable number, because it can be changed into a prime (30231302211307) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5220060 + ... + 9365448.
It is an arithmetic number, because the mean of its divisors is an integer number (496576268100).
Almost surely, 230231302211306 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30231302211306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39726101448000).
30231302211306 is an abundant number, since it is smaller than the sum of its proper divisors (49220900684694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231302211306 is a wasteful number, since it uses less digits than its factorization.
30231302211306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4145578 (or 4145569 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 30231302211306 its reverse (60311220313203), we get a palindrome (90542522524509).
The spelling of 30231302211306 in words is "thirty trillion, two hundred thirty-one billion, three hundred two million, two hundred eleven thousand, three hundred six".
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