Search a number
-
+
11312360405 = 517133086593
BaseRepresentation
bin10101000100100010…
…01110101111010101
31002012101012110011022
422202101032233111
5141131431013110
65110303050525
7550221322403
oct124221165725
932171173138
1011312360405
114885594895
1222385a0a45
1310b38624a8
14794580473
154631e0755
hex2a244ebd5

11312360405 has 8 divisors (see below), whose sum is σ = 14373352152. Its totient is φ = 8517541888.

The previous prime is 11312360369. The next prime is 11312360453. The reversal of 11312360405 is 50406321311.

11312360405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2741674321 + 8570686084 = 52361^2 + 92578^2 .

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 11312360405 - 26 = 11312360341 is a prime.

It is a super-2 number, since 2×113123604052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66543212 + ... + 66543381.

It is an arithmetic number, because the mean of its divisors is an integer number (1796669019).

Almost surely, 211312360405 is an apocalyptic number.

It is an amenable number.

11312360405 is a deficient number, since it is larger than the sum of its proper divisors (3060991747).

11312360405 is a wasteful number, since it uses less digits than its factorization.

11312360405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133086615.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 11312360405 its reverse (50406321311), we get a palindrome (61718681716).

The spelling of 11312360405 in words is "eleven billion, three hundred twelve million, three hundred sixty thousand, four hundred five".

Divisors: 1 5 17 85 133086593 665432965 2262472081 11312360405