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1320132351 = 3440044117
BaseRepresentation
bin100111010101111…
…1001111011111111
310102000001200010210
41032223321323333
510200423213401
6334555003503
744466640236
oct11653717377
93360050123
101320132351
116181a8a7a
1230a139593
13180666705
14c7481b1d
157ad6a4d6
hex4eaf9eff

1320132351 has 4 divisors (see below), whose sum is σ = 1760176472. Its totient is φ = 880088232.

The previous prime is 1320132349. The next prime is 1320132353. The reversal of 1320132351 is 1532310231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1532310231 = 3510770077.

It is an interprime number because it is at equal distance from previous prime (1320132349) and next prime (1320132353).

It is not a de Polignac number, because 1320132351 - 21 = 1320132349 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 (1320132353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220022056 + ... + 220022061.

It is an arithmetic number, because the mean of its divisors is an integer number (440044118).

Almost surely, 21320132351 is an apocalyptic number.

1320132351 is a deficient number, since it is larger than the sum of its proper divisors (440044121).

1320132351 is an equidigital number, since it uses as much as digits as its factorization.

1320132351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440044120.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1320132351 is about 36333.6256242066. The cubic root of 1320132351 is about 1096.9979718689.

Adding to 1320132351 its reverse (1532310231), we get a palindrome (2852442582).

The spelling of 1320132351 in words is "one billion, three hundred twenty million, one hundred thirty-two thousand, three hundred fifty-one".

Divisors: 1 3 440044117 1320132351