Search a number
-
+
311413210444 = 22711121900373
BaseRepresentation
bin1001000100000011010…
…11000111110101001100
31002202210220220012011001
410202001223013311030
520100233240213234
6355021121510044
731333052420350
oct4420153076514
91082726805131
10311413210444
11110084703226
125042b7a2324
132349b54177b
1411102c55460
158179670d14
hex4881ac7d4c

311413210444 has 12 divisors (see below), whose sum is σ = 622826420944. Its totient is φ = 133462804464.

The previous prime is 311413210441. The next prime is 311413210477. The reversal of 311413210444 is 444012314113.

311413210444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11121900373 = 311413210444 / (3 + 1 + 1 + 4 + 1 + 3 + 2 + 1 + 0 + 4 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (311413210441) 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 3 ways as a sum of consecutive naturals, for example, 5560950159 + ... + 5560950214.

Almost surely, 2311413210444 is an apocalyptic number.

It is an amenable number.

311413210444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311413210444 is a wasteful number, since it uses less digits than its factorization.

311413210444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121900384 (or 11121900382 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 311413210444 its reverse (444012314113), we get a palindrome (755425524557).

The spelling of 311413210444 in words is "three hundred eleven billion, four hundred thirteen million, two hundred ten thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 11121900373 22243800746 44487601492 77853302611 155706605222 311413210444