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21030330123294 = 233505055020549
BaseRepresentation
bin1001100100000100000010…
…10110110100010000011110
32202110110221212100211112120
410302002001112310100132
510224030104002421134
6112421111132243410
74300251120410232
oct462020126642036
982413855324476
1021030330123294
116778a05105528
12243799b010566
13b971c815b59b
14529c328c45c2
152670a91d5649
hex1320815b441e

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".

Divisors: 1 2 3 6 3505055020549 7010110041098 10515165061647 21030330123294