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133210133 = 719030019
BaseRepresentation
bin1111111000010…
…10000000010101
3100021122202221122
413330022000111
5233100211013
621115053325
73205160510
oct774120025
9307582848
10133210133
1169214821
1238741245
13217a0984
1413997d77
15ba64a08
hex7f0a015

133210133 has 4 divisors (see below), whose sum is σ = 152240160. Its totient is φ = 114180108.

The previous prime is 133210111. The next prime is 133210139. The reversal of 133210133 is 331012331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331012331 = 1325462487.

It is not a de Polignac number, because 133210133 - 28 = 133209877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133210139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9515003 + ... + 9515016.

It is an arithmetic number, because the mean of its divisors is an integer number (38060040).

Almost surely, 2133210133 is an apocalyptic number.

It is an amenable number.

133210133 is a deficient number, since it is larger than the sum of its proper divisors (19030027).

133210133 is an equidigital number, since it uses as much as digits as its factorization.

133210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030026.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133210133 is about 11541.6694199756. The cubic root of 133210133 is about 510.7155571446.

Adding to 133210133 its reverse (331012331), we get a palindrome (464222464).

The spelling of 133210133 in words is "one hundred thirty-three million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 7 19030019 133210133