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33138271105 = 5171831212923
BaseRepresentation
bin11110110111001100…
…011110001110000001
310011112110111121000021
4132313030132032001
51020331344133410
623120140053441
72252124441202
oct366714361601
9104473447007
1033138271105
1113065765615
126509b34281
1331815cca54
1418651655a9
15cde3d1eda
hex7b731e381

33138271105 has 16 divisors (see below), whose sum is σ = 42128290944. Its totient is φ = 24937424640.

The previous prime is 33138271091. The next prime is 33138271109. The reversal of 33138271105 is 50117283133.

It is not a de Polignac number, because 33138271105 - 227 = 33004053377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33138271109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49174 + ... + 262096.

It is an arithmetic number, because the mean of its divisors is an integer number (2633018184).

Almost surely, 233138271105 is an apocalyptic number.

It is an amenable number.

33138271105 is a deficient number, since it is larger than the sum of its proper divisors (8990019839).

33138271105 is a wasteful number, since it uses less digits than its factorization.

33138271105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214776.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 33138271105 in words is "thirty-three billion, one hundred thirty-eight million, two hundred seventy-one thousand, one hundred five".

Divisors: 1 5 17 85 1831 9155 31127 155635 212923 1064615 3619691 18098455 389862013 1949310065 6627654221 33138271105