Base | Representation |
---|---|
bin | 1001100100000100000010… |
… | …10110110100010000011110 |
3 | 2202110110221212100211112120 |
4 | 10302002001112310100132 |
5 | 10224030104002421134 |
6 | 112421111132243410 |
7 | 4300251120410232 |
oct | 462020126642036 |
9 | 82413855324476 |
10 | 21030330123294 |
11 | 6778a05105528 |
12 | 243799b010566 |
13 | b971c815b59b |
14 | 529c328c45c2 |
15 | 2670a91d5649 |
hex | 1320815b441e |
21030330123294 has 8 divisors (see below), whose sum is σ = 42060660246600. Its totient is φ = 7010110041096.
The previous prime is 21030330123293. The next prime is 21030330123331. The reversal of 21030330123294 is 49232103303012.
It is a sphenic number, since it is the product of 3 distinct primes.
21030330123294 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21030330123293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752527510269 + ... + 1752527510280.
It is an arithmetic number, because the mean of its divisors is an integer number (5257582530825).
Almost surely, 221030330123294 is an apocalyptic number.
21030330123294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21030330123294 is a wasteful number, since it uses less digits than its factorization.
21030330123294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3505055020554.
The product of its (nonzero) digits is 23328, while the sum is 33.
The spelling of 21030330123294 in words is "twenty-one trillion, thirty billion, three hundred thirty million, one hundred twenty-three thousand, two hundred ninety-four".
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