Search a number
-
+
1320113121313 = 7508737072457
BaseRepresentation
bin10011001101011100110…
…111111010100000100001
311200012102221201212202011
4103031130313322200201
5133112042424340223
62450241313352521
7164242430250130
oct23153467724041
94605387655664
101320113121313
114699474949a8
12193a1b268741
139764205b05c
1447c728b9917
1524514a8880d
hex1335cdfa821

1320113121313 has 8 divisors (see below), whose sum is σ = 1508997330432. Its totient is φ = 1131303067296.

The previous prime is 1320113121281. The next prime is 1320113121329. The reversal of 1320113121313 is 3131213110231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320113121313 - 25 = 1320113121281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320113121343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18500620 + ... + 18571837.

It is an arithmetic number, because the mean of its divisors is an integer number (188624666304).

Almost surely, 21320113121313 is an apocalyptic number.

It is an amenable number.

1320113121313 is a deficient number, since it is larger than the sum of its proper divisors (188884209119).

1320113121313 is an equidigital number, since it uses as much as digits as its factorization.

1320113121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37077551.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1320113121313 its reverse (3131213110231), we get a palindrome (4451326231544).

The spelling of 1320113121313 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 7 5087 35609 37072457 259507199 188587588759 1320113121313