Base | Representation |
---|---|
bin | 1101101111100001101101… |
… | …11010001101010001110101 |
3 | 10222000000220102221101211121 |
4 | 12313300312322031101311 |
5 | 12430112144121414221 |
6 | 144135004055103541 |
7 | 6236226324134353 |
oct | 667606672152165 |
9 | 128000812841747 |
10 | 30220311123061 |
11 | 96a13a8872674 |
12 | 3480a95071bb1 |
13 | 13b29bc729927 |
14 | 766956bc07d3 |
15 | 376176473a41 |
hex | 1b7c36e8d475 |
30220311123061 has 2 divisors, whose sum is σ = 30220311123062. Its totient is φ = 30220311123060.
The previous prime is 30220311123047. The next prime is 30220311123073. The reversal of 30220311123061 is 16032111302203.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27750717731025 + 2469593392036 = 5267895^2 + 1571494^2 .
It is an emirp because it is prime and its reverse (16032111302203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30220311123061 - 27 = 30220311122933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30220311123161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110155561530 + 15110155561531.
It is an arithmetic number, because the mean of its divisors is an integer number (15110155561531).
Almost surely, 230220311123061 is an apocalyptic number.
It is an amenable number.
30220311123061 is a deficient number, since it is larger than the sum of its proper divisors (1).
30220311123061 is an equidigital number, since it uses as much as digits as its factorization.
30220311123061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 30220311123061 its reverse (16032111302203), we get a palindrome (46252422425264).
The spelling of 30220311123061 in words is "thirty trillion, two hundred twenty billion, three hundred eleven million, one hundred twenty-three thousand, sixty-one".
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