Base | Representation |
---|---|
bin | 1101110010001011011101… |
… | …01111110000100000101101 |
3 | 10222022202010112011211202221 |
4 | 12321011232233300200231 |
5 | 12433110313202033401 |
6 | 144244515002515341 |
7 | 6245633536525006 |
oct | 671055657604055 |
9 | 128282115154687 |
10 | 30311442221101 |
11 | 9727012a09428 |
12 | 3496688805b51 |
13 | 13bb48399a592 |
14 | 76b11ddd41ad |
15 | 37870bc7a7a1 |
hex | 1b916ebf082d |
30311442221101 has 2 divisors, whose sum is σ = 30311442221102. Its totient is φ = 30311442221100.
The previous prime is 30311442221089. The next prime is 30311442221141. The reversal of 30311442221101 is 10112224411303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27612817944100 + 2698624277001 = 5254790^2 + 1642749^2 .
It is a cyclic number.
It is not a de Polignac number, because 30311442221101 - 219 = 30311441696813 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30311442221141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155721110550 + 15155721110551.
It is an arithmetic number, because the mean of its divisors is an integer number (15155721110551).
Almost surely, 230311442221101 is an apocalyptic number.
It is an amenable number.
30311442221101 is a deficient number, since it is larger than the sum of its proper divisors (1).
30311442221101 is an equidigital number, since it uses as much as digits as its factorization.
30311442221101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 30311442221101 its reverse (10112224411303), we get a palindrome (40423666632404).
The spelling of 30311442221101 in words is "thirty trillion, three hundred eleven billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred one".
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