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21033333033301 = 253116843493397
BaseRepresentation
bin1001100100001001101000…
…10110000000100101010101
32202110202201010212110122201
410302010310112000211111
510224102231224031201
6112422325123124501
74300415412623011
oct462046426004525
982422633773581
1021033333033301
11677a206183236
122438498813731
13b97586321504
1452a039647541
152671d2b51801
hex132134580955

21033333033301 has 8 divisors (see below), whose sum is σ = 21042935249184. Its totient is φ = 21023731842960.

The previous prime is 21033333033289. The next prime is 21033333033331. The reversal of 21033333033301 is 10333033333012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21033333033301 - 213 = 21033333025109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21033333033301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033333033331) 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 7 ways as a sum of consecutive naturals, for example, 42382935 + ... + 42876331.

It is an arithmetic number, because the mean of its divisors is an integer number (2630366906148).

Almost surely, 221033333033301 is an apocalyptic number.

It is an amenable number.

21033333033301 is a deficient number, since it is larger than the sum of its proper divisors (9602215883).

21033333033301 is a wasteful number, since it uses less digits than its factorization.

21033333033301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512771.

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 21033333033301 its reverse (10333033333012), we get a palindrome (31366366366313).

The spelling of 21033333033301 in words is "twenty-one trillion, thirty-three billion, three hundred thirty-three million, thirty-three thousand, three hundred one".

Divisors: 1 2531 16843 493397 42629633 1248787807 8310285671 21033333033301