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213330033 = 3273386191
BaseRepresentation
bin11001011011100…
…10100001110001
3112212102021210100
430231302201301
5414103030113
633100223013
75200163310
oct1455624161
9485367710
10213330033
11aa468014
125b53aa69
13352737b7
1420492277
1513addd73
hexcb72871

213330033 has 12 divisors (see below), whose sum is σ = 352163968. Its totient is φ = 121902840.

The previous prime is 213330031. The next prime is 213330071. The reversal of 213330033 is 330033312.

213330033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213330033 - 21 = 213330031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213329988 and 213330015.

It is not an unprimeable number, because it can be changed into a prime (213330031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693033 + ... + 1693158.

Almost surely, 2213330033 is an apocalyptic number.

It is an amenable number.

213330033 is a deficient number, since it is larger than the sum of its proper divisors (138833935).

213330033 is a wasteful number, since it uses less digits than its factorization.

213330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386204 (or 3386201 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 213330033 is about 14605.8218871791. The cubic root of 213330033 is about 597.5175515814.

Adding to 213330033 its reverse (330033312), we get a palindrome (543363345).

The spelling of 213330033 in words is "two hundred thirteen million, three hundred thirty thousand, thirty-three".

Divisors: 1 3 7 9 21 63 3386191 10158573 23703337 30475719 71110011 213330033