Base | Representation |
---|---|
bin | 1101110010000000101010… |
… | …00010111110011000010100 |
3 | 10222022012011022200110020110 |
4 | 12321000111002332120110 |
5 | 12433011423414420113 |
6 | 144242115255203020 |
7 | 6245340032416143 |
oct | 671002502763024 |
9 | 128265138613213 |
10 | 30305642341908 |
11 | 972460704333a |
12 | 349552a376470 |
13 | 13baa6b1cbabb |
14 | 76ab2d9d975a |
15 | 3784bc9c2bc3 |
hex | 1b90150be614 |
30305642341908 has 48 divisors (see below), whose sum is σ = 73028015244800. Its totient is φ = 9771489561600.
The previous prime is 30305642341907. The next prime is 30305642341951. The reversal of 30305642341908 is 80914324650303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30305642341907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18045433 + ... + 19653216.
Almost surely, 230305642341908 is an apocalyptic number.
It is an amenable number.
30305642341908 is an abundant number, since it is smaller than the sum of its proper divisors (42722372902892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30305642341908 is a wasteful number, since it uses less digits than its factorization.
30305642341908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37700848 (or 37700846 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 48.
The spelling of 30305642341908 in words is "thirty trillion, three hundred five billion, six hundred forty-two million, three hundred forty-one thousand, nine hundred eight".
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