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213100441444 = 221124172003803
BaseRepresentation
bin1100011001110111000…
…1101010111101100100
3202101001100002001201101
43012131301222331210
511442412203111234
6241521430005444
721252553602562
oct3063561527544
9671040061641
10213100441444
1182414709810
1235372aa6884
131713145a587
14a457d14a32
155823616814
hex319dc6af64

213100441444 has 24 divisors (see below), whose sum is σ = 406996638048. Its totient is φ = 96823712640.

The previous prime is 213100441423. The next prime is 213100441447. The reversal of 213100441444 is 444144001312.

It is not an unprimeable number, because it can be changed into a prime (213100441447) 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, 895554 + ... + 1108249.

It is an arithmetic number, because the mean of its divisors is an integer number (16958193252).

Almost surely, 2213100441444 is an apocalyptic number.

It is an amenable number.

213100441444 is a deficient number, since it is larger than the sum of its proper divisors (193896196604).

213100441444 is a wasteful number, since it uses less digits than its factorization.

213100441444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006235 (or 2006233 counting only the distinct ones).

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

Adding to 213100441444 its reverse (444144001312), we get a palindrome (657244442756).

The spelling of 213100441444 in words is "two hundred thirteen billion, one hundred million, four hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 2417 4834 9668 26587 53174 106348 2003803 4007606 8015212 22041833 44083666 88167332 4843191851 9686383702 19372767404 53275110361 106550220722 213100441444