Base | Representation |
---|---|
bin | 100111011111111… |
… | …0011100100010001 |
3 | 10102100212201020002 |
4 | 1032333303210101 |
5 | 10203242133022 |
6 | 335302455345 |
7 | 44562165440 |
oct | 11677634421 |
9 | 3370781202 |
10 | 1325349137 |
11 | 620141472 |
12 | 30ba34555 |
13 | 181772078 |
14 | c803cd57 |
15 | 7b54b092 |
hex | 4eff3911 |
1325349137 has 4 divisors (see below), whose sum is σ = 1514684736. Its totient is φ = 1136013540.
The previous prime is 1325349083. The next prime is 1325349143. The reversal of 1325349137 is 7319435231.
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: 7319435231 = 151 ⋅48473081.
It is a cyclic number.
It is not a de Polignac number, because 1325349137 - 26 = 1325349073 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1325349137.
It is not an unprimeable number, because it can be changed into a prime (1325349437) 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, 94667789 + ... + 94667802.
It is an arithmetic number, because the mean of its divisors is an integer number (378671184).
Almost surely, 21325349137 is an apocalyptic number.
It is an amenable number.
1325349137 is a deficient number, since it is larger than the sum of its proper divisors (189335599).
1325349137 is an equidigital number, since it uses as much as digits as its factorization.
1325349137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189335598.
The product of its digits is 68040, while the sum is 38.
The square root of 1325349137 is about 36405.3448960451. The cubic root of 1325349137 is about 1098.4410801725.
The spelling of 1325349137 in words is "one billion, three hundred twenty-five million, three hundred forty-nine thousand, one hundred thirty-seven".
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