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33045332020 = 2251797192153
BaseRepresentation
bin11110110001101001…
…111100000000110100
310011021222121210112221
4132301221330000310
51020134101111040
623103020052124
72246615454601
oct366151740064
9104258553487
1033045332020
1113018257058
1264a2994044
13316828c0cc
141856a916a8
15cd617474a
hex7b1a7c034

33045332020 has 24 divisors (see below), whose sum is σ = 73477268424. Its totient is φ = 12440595456.

The previous prime is 33045332009. The next prime is 33045332027. The reversal of 33045332020 is 2023354033.

It can be written as a sum of positive squares in 4 ways, for example, as 6115865616 + 26929466404 = 78204^2 + 164102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33045332027) 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, 48595737 + ... + 48596416.

It is an arithmetic number, because the mean of its divisors is an integer number (3061552851).

Almost surely, 233045332020 is an apocalyptic number.

It is an amenable number.

33045332020 is an abundant number, since it is smaller than the sum of its proper divisors (40431936404).

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

33045332020 is a wasteful number, since it uses less digits than its factorization.

33045332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97192179 (or 97192177 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 33045332020 its reverse (2023354033), we get a palindrome (35068686053).

The spelling of 33045332020 in words is "thirty-three billion, forty-five million, three hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 97192153 194384306 388768612 485960765 971921530 1652266601 1943843060 3304533202 6609066404 8261333005 16522666010 33045332020