Search a number
-
+
13120140344331 = 35842497485473
BaseRepresentation
bin1011111011101100010101…
…0011011111110000001011
31201110021101010202101000010
42332323011103133300023
53204430021412004311
643523150445043003
72522620210600056
oct276730523376013
951407333671003
1013120140344331
1141a9247201669
12157a930556463
137422bac70767
14335037c61a9d
1517b441b10da6
hexbeec54dfc0b

13120140344331 has 8 divisors (see below), whose sum is σ = 17493552738000. Its totient is φ = 8746744090112.

The previous prime is 13120140344323. The next prime is 13120140344371. The reversal of 13120140344331 is 13344304102131.

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 13120140344331 - 23 = 13120140344323 is a prime.

It is a super-2 number, since 2×131201403443312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13120140344371) 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, 1989990 + ... + 5495483.

It is an arithmetic number, because the mean of its divisors is an integer number (2186694092250).

Almost surely, 213120140344331 is an apocalyptic number.

13120140344331 is a deficient number, since it is larger than the sum of its proper divisors (4373412393669).

13120140344331 is an equidigital number, since it uses as much as digits as its factorization.

13120140344331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069725.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13120140344331 its reverse (13344304102131), we get a palindrome (26464444446462).

The spelling of 13120140344331 in words is "thirteen trillion, one hundred twenty billion, one hundred forty million, three hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 3 584249 1752747 7485473 22456419 4373380114777 13120140344331