Base | Representation |
---|---|
bin | 1101101111100011001100… |
… | …00101000111101111100011 |
3 | 10222000002221121002011220122 |
4 | 12313301212011013233203 |
5 | 12430120304220404443 |
6 | 144135214405230455 |
7 | 6236255043631124 |
oct | 667614605075743 |
9 | 128002847064818 |
10 | 30221102513123 |
11 | 96a1774562745 |
12 | 348107610242b |
13 | 13b2ab7686882 |
14 | 7669cdd4804b |
15 | 3761c0b99968 |
hex | 1b7c66147be3 |
30221102513123 has 2 divisors, whose sum is σ = 30221102513124. Its totient is φ = 30221102513122.
The previous prime is 30221102513083. The next prime is 30221102513167. The reversal of 30221102513123 is 32131520112203.
It is a weak prime.
It is an emirp because it is prime and its reverse (32131520112203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30221102513123 - 210 = 30221102512099 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30221102513092 and 30221102513101.
It is not a weakly prime, because it can be changed into another prime (30221002513123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110551256561 + 15110551256562.
It is an arithmetic number, because the mean of its divisors is an integer number (15110551256562).
Almost surely, 230221102513123 is an apocalyptic number.
30221102513123 is a deficient number, since it is larger than the sum of its proper divisors (1).
30221102513123 is an equidigital number, since it uses as much as digits as its factorization.
30221102513123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 30221102513123 its reverse (32131520112203), we get a palindrome (62352622625326).
The spelling of 30221102513123 in words is "thirty trillion, two hundred twenty-one billion, one hundred two million, five hundred thirteen thousand, one hundred twenty-three".
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