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133133005 = 526626601
BaseRepresentation
bin1111110111101…
…11001011001101
3100021111212011001
413323313023031
5233040224010
621113300301
73204416605
oct773671315
9307455131
10133133005
1169171885
1238704691
1321774835
1413977c05
15ba4bc3a
hex7ef72cd

133133005 has 4 divisors (see below), whose sum is σ = 159759612. Its totient is φ = 106506400.

The previous prime is 133132991. The next prime is 133133029. The reversal of 133133005 is 500331331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19518724 + 113614281 = 4418^2 + 10659^2 .

It is not a de Polignac number, because 133133005 - 25 = 133132973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13313296 + ... + 13313305.

It is an arithmetic number, because the mean of its divisors is an integer number (39939903).

Almost surely, 2133133005 is an apocalyptic number.

It is an amenable number.

133133005 is a deficient number, since it is larger than the sum of its proper divisors (26626607).

133133005 is an equidigital number, since it uses as much as digits as its factorization.

133133005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26626606.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 133133005 is about 11538.3276517873. The cubic root of 133133005 is about 510.6169708650.

Adding to 133133005 its reverse (500331331), we get a palindrome (633464336).

The spelling of 133133005 in words is "one hundred thirty-three million, one hundred thirty-three thousand, five".

Divisors: 1 5 26626601 133133005