Base | Representation |
---|---|
bin | 1101110101101010101111… |
… | …00100010010001000101110 |
3 | 10222202012112111002221120212 |
4 | 12322311113210102020232 |
5 | 12442041311434441142 |
6 | 144415541341142422 |
7 | 6260406201442463 |
oct | 672652744221056 |
9 | 128665474087525 |
10 | 30431312421422 |
11 | 9772935579090 |
12 | 34b5960b5aa12 |
13 | 13c98780093b3 |
14 | 772c51dcd66a |
15 | 37b8c5641d82 |
hex | 1bad5791222e |
30431312421422 has 16 divisors (see below), whose sum is σ = 49801748396544. Its totient is φ = 13831010475000.
The previous prime is 30431312421337. The next prime is 30431312421577. The reversal of 30431312421422 is 22412421313403.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69991454 + ... + 70424897.
It is an arithmetic number, because the mean of its divisors is an integer number (3112609274784).
Almost surely, 230431312421422 is an apocalyptic number.
30431312421422 is a deficient number, since it is larger than the sum of its proper divisors (19370435975122).
30431312421422 is a wasteful number, since it uses less digits than its factorization.
30431312421422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140426215.
The product of its (nonzero) digits is 27648, while the sum is 32.
Adding to 30431312421422 its reverse (22412421313403), we get a palindrome (52843733734825).
The spelling of 30431312421422 in words is "thirty trillion, four hundred thirty-one billion, three hundred twelve million, four hundred twenty-one thousand, four hundred twenty-two".
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