Base | Representation |
---|---|
bin | 1101110010011101100000… |
… | …01101010100011101010001 |
3 | 10222100200010201020112212220 |
4 | 12321032300031110131101 |
5 | 12433240133342033040 |
6 | 144253200210411253 |
7 | 6246425610064641 |
oct | 671166015243521 |
9 | 128320121215786 |
10 | 30321130424145 |
11 | 9730134721800 |
12 | 3498531290b29 |
13 | 13bc368bb94c2 |
14 | 76b79c992521 |
15 | 378ac75992d0 |
hex | 1b93b0354751 |
30321130424145 has 48 divisors (see below), whose sum is σ = 54120992654400. Its totient is φ = 14481733875840.
The previous prime is 30321130424111. The next prime is 30321130424161. The reversal of 30321130424145 is 54142403112303.
It is not a de Polignac number, because 30321130424145 - 28 = 30321130423889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124548970 + ... + 124792179.
It is an arithmetic number, because the mean of its divisors is an integer number (1127520680300).
Almost surely, 230321130424145 is an apocalyptic number.
It is an amenable number.
30321130424145 is a deficient number, since it is larger than the sum of its proper divisors (23799862230255).
30321130424145 is a wasteful number, since it uses less digits than its factorization.
30321130424145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249341246 (or 249341235 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 33.
Adding to 30321130424145 its reverse (54142403112303), we get a palindrome (84463533536448).
The spelling of 30321130424145 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-four thousand, one hundred forty-five".
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