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33285330020 = 2253072754163
BaseRepresentation
bin11110111111111101…
…011101010001100100
310011220201012221220202
4132333331131101210
51021132021030040
623142512050032
72255561431325
oct367775352144
9104821187822
1033285330020
1113130779108
12654b233918
1331a5c0c067
14187a8c644c
15cec280015
hex7bff5d464

33285330020 has 24 divisors (see below), whose sum is σ = 69902758464. Its totient is φ = 13313452896.

The previous prime is 33285330019. The next prime is 33285330107. The reversal of 33285330020 is 2003358233.

It is a happy number.

It is a super-2 number, since 2×332853300202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 587459 + ... + 641621.

It is an arithmetic number, because the mean of its divisors is an integer number (2912614936).

Almost surely, 233285330020 is an apocalyptic number.

It is an amenable number.

33285330020 is an abundant number, since it is smaller than the sum of its proper divisors (36617428444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33285330020 is a wasteful number, since it uses less digits than its factorization.

33285330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84899 (or 84897 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 33285330020 its reverse (2003358233), we get a palindrome (35288688253).

The spelling of 33285330020 in words is "thirty-three billion, two hundred eighty-five million, three hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 30727 54163 61454 108326 122908 153635 216652 270815 307270 541630 614540 1083260 1664266501 3328533002 6657066004 8321332505 16642665010 33285330020