Base | Representation |
---|---|
bin | 1101101111110101110110… |
… | …10010110110111010001111 |
3 | 10222001001210212201112211122 |
4 | 12313322323102312322033 |
5 | 12430301314230042033 |
6 | 144143552532111155 |
7 | 6240061250052101 |
oct | 667727322667217 |
9 | 128031725645748 |
10 | 30231122112143 |
11 | 96a5a46343797 |
12 | 3482bb17654bb |
13 | 13b3a23446aa4 |
14 | 7672a092d571 |
15 | 3765aa629a98 |
hex | 1b7ebb4b6e8f |
30231122112143 has 2 divisors, whose sum is σ = 30231122112144. Its totient is φ = 30231122112142.
The previous prime is 30231122112077. The next prime is 30231122112151. The reversal of 30231122112143 is 34121122113203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30231122112143 - 234 = 30213942242959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30231122112943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115561056071 + 15115561056072.
It is an arithmetic number, because the mean of its divisors is an integer number (15115561056072).
Almost surely, 230231122112143 is an apocalyptic number.
30231122112143 is a deficient number, since it is larger than the sum of its proper divisors (1).
30231122112143 is an equidigital number, since it uses as much as digits as its factorization.
30231122112143 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 26.
Adding to 30231122112143 its reverse (34121122113203), we get a palindrome (64352244225346).
The spelling of 30231122112143 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred forty-three".
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