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1325108813 = 733863291
BaseRepresentation
bin100111011111011…
…1000111001001101
310102100102111120012
41032332320321031
510203211440223
6335253403005
744560145000
oct11676707115
93370374505
101325108813
1161aa97956
1230b939465
131816b9872
14c7db9537
157b4eec78
hex4efb8e4d

1325108813 has 8 divisors (see below), whose sum is σ = 1545316800. Its totient is φ = 1135807260.

The previous prime is 1325108779. The next prime is 1325108839. The reversal of 1325108813 is 3188015231.

It is not a de Polignac number, because 1325108813 - 28 = 1325108557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325108813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325102813) 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 7 ways as a sum of consecutive naturals, for example, 1931303 + ... + 1931988.

It is an arithmetic number, because the mean of its divisors is an integer number (193164600).

Almost surely, 21325108813 is an apocalyptic number.

It is an amenable number.

1325108813 is a deficient number, since it is larger than the sum of its proper divisors (220207987).

1325108813 is an frugal number, since it uses more digits than its factorization.

1325108813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863312 (or 3863298 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1325108813 is about 36402.0440772218. The cubic root of 1325108813 is about 1098.3746831494.

The spelling of 1325108813 in words is "one billion, three hundred twenty-five million, one hundred eight thousand, eight hundred thirteen".

Divisors: 1 7 49 343 3863291 27043037 189301259 1325108813