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1320210133 = 11120019103
BaseRepresentation
bin100111010110000…
…1100111011010101
310102000012121211121
41032230030323111
510200433211013
6335000403541
744500413064
oct11654147325
93360177747
101320210133
11618251460
1230a1765b1
13180692c38
14c74a21db
157ad8358d
hex4eb0ced5

1320210133 has 4 divisors (see below), whose sum is σ = 1440229248. Its totient is φ = 1200191020.

The previous prime is 1320210121. The next prime is 1320210161. The reversal of 1320210133 is 3310120231.

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: 3310120231 = 11300920021.

It is a cyclic number.

It is not a de Polignac number, because 1320210133 - 29 = 1320209621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320210163) 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 3 ways as a sum of consecutive naturals, for example, 60009541 + ... + 60009562.

It is an arithmetic number, because the mean of its divisors is an integer number (360057312).

Almost surely, 21320210133 is an apocalyptic number.

It is an amenable number.

1320210133 is a deficient number, since it is larger than the sum of its proper divisors (120019115).

1320210133 is a wasteful number, since it uses less digits than its factorization.

1320210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120019114.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1320210133 is about 36334.6959943248. The cubic root of 1320210133 is about 1097.0195164311.

Adding to 1320210133 its reverse (3310120231), we get a palindrome (4630330364).

The spelling of 1320210133 in words is "one billion, three hundred twenty million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 11 120019103 1320210133