Search a number
-
+
1313044125 = 3532326619
BaseRepresentation
bin100111001000011…
…0111011010011101
310101111201112220220
41032100313122131
510142114403000
6334143031553
744352455661
oct11620673235
93344645826
101313044125
116141a7538
1230789b5b9
1317c0542b3
14c65588a1
157a41a1a0
hex4e43769d

1313044125 has 48 divisors (see below), whose sum is σ = 2284376640. Its totient is φ = 669741600.

The previous prime is 1313044121. The next prime is 1313044129. The reversal of 1313044125 is 5214403131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313044121) and next prime (1313044129).

It is not a de Polignac number, because 1313044125 - 22 = 1313044121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313044095 and 1313044104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313044121) 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 47 ways as a sum of consecutive naturals, for example, 195066 + ... + 201684.

It is an arithmetic number, because the mean of its divisors is an integer number (47591180).

Almost surely, 21313044125 is an apocalyptic number.

1313044125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313044125 is a deficient number, since it is larger than the sum of its proper divisors (971332515).

1313044125 is an equidigital number, since it uses as much as digits as its factorization.

1313044125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6650 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1313044125 is about 36235.9507257640. The cubic root of 1313044125 is about 1095.0310660272.

Adding to 1313044125 its reverse (5214403131), we get a palindrome (6527447256).

The spelling of 1313044125 in words is "one billion, three hundred thirteen million, forty-four thousand, one hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 125 345 375 529 575 1587 1725 2645 2875 6619 7935 8625 13225 19857 33095 39675 66125 99285 152237 165475 198375 456711 496425 761185 827375 2283555 2482125 3501451 3805925 10504353 11417775 17507255 19029625 52521765 57088875 87536275 262608825 437681375 1313044125