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311032044244 = 22137356633657
BaseRepresentation
bin1001000011010101111…
…01000101101011010100
31002201211100122221102101
410201222331011223110
520043443200403434
6354515224051444
731320443516545
oct4415275055324
91081740587371
10311032044244
1110a9a9531439
1250344003b84
132343a59583c
14110a83944cc
158155e7cb14
hex486af45ad4

311032044244 has 12 divisors (see below), whose sum is σ = 544702522644. Its totient is φ = 155402752064.

The previous prime is 311032044203. The next prime is 311032044269. The reversal of 311032044244 is 442440230113.

It can be written as a sum of positive squares in 2 ways, for example, as 190303592644 + 120728451600 = 436238^2 + 347460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28311337 + ... + 28322320.

It is an arithmetic number, because the mean of its divisors is an integer number (45391876887).

Almost surely, 2311032044244 is an apocalyptic number.

It is an amenable number.

311032044244 is a deficient number, since it is larger than the sum of its proper divisors (233670478400).

311032044244 is a wasteful number, since it uses less digits than its factorization.

311032044244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56635034 (or 56635032 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 311032044244 its reverse (442440230113), we get a palindrome (753472274357).

The spelling of 311032044244 in words is "three hundred eleven billion, thirty-two million, forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 1373 2746 5492 56633657 113267314 226534628 77758011061 155516022122 311032044244