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213004441144 = 23118329162711
BaseRepresentation
bin1100011001100000001…
…1011101011000111000
3202100210122102202001201
43012120003131120320
511442213114104034
6241504120223544
721250306606405
oct3063003353070
9670718382051
10213004441144
11823754aa320
123534690abb4
13171175b7471
14a4492852ac
155819ea2014
hex31980dd638

213004441144 has 32 divisors (see below), whose sum is σ = 440940205440. Its totient is φ = 95653688800.

The previous prime is 213004441129. The next prime is 213004441201. The reversal of 213004441144 is 441144400312.

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, 14574052 + ... + 14588659.

It is an arithmetic number, because the mean of its divisors is an integer number (13779381420).

Almost surely, 2213004441144 is an apocalyptic number.

It is an amenable number.

213004441144 is an abundant number, since it is smaller than the sum of its proper divisors (227935764296).

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

213004441144 is a wasteful number, since it uses less digits than its factorization.

213004441144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29162811 (or 29162807 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 213004441144 its reverse (441144400312), we get a palindrome (654148841456).

The spelling of 213004441144 in words is "two hundred thirteen billion, four million, four hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 83 88 166 332 664 913 1826 3652 7304 29162711 58325422 116650844 233301688 320789821 641579642 1283159284 2420505013 2566318568 4841010026 9682020052 19364040104 26625555143 53251110286 106502220572 213004441144