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133033020221 = 377583474151
BaseRepresentation
bin111101111100101100…
…0101100101100111101
3110201101022002122012002
41323321120230230331
54134422423121341
6141040423152045
712416453004623
oct1737130545475
9421338078162
10133033020221
1151467743112
12219485a5625
13c71137a95a
146620229513
1536d927b29b
hex1ef962cb3d

133033020221 has 8 divisors (see below), whose sum is σ = 136646813184. Its totient is φ = 129420190800.

The previous prime is 133033020193. The next prime is 133033020301. The reversal of 133033020221 is 122020330331.

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 133033020221 - 230 = 131959278397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133033020193 and 133033020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43496 + ... + 517646.

It is an arithmetic number, because the mean of its divisors is an integer number (17080851648).

Almost surely, 2133033020221 is an apocalyptic number.

It is an amenable number.

133033020221 is a deficient number, since it is larger than the sum of its proper divisors (3613792963).

133033020221 is an equidigital number, since it uses as much as digits as its factorization.

133033020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481771.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133033020221 its reverse (122020330331), we get a palindrome (255053350552).

The spelling of 133033020221 in words is "one hundred thirty-three billion, thirty-three million, twenty thousand, two hundred twenty-one".

Divisors: 1 37 7583 280571 474151 17543587 3595487033 133033020221