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212044121443 = 71110212697179
BaseRepresentation
bin1100010101111011010…
…0001000010101100011
3202021022201102110002101
43011132310020111203
511433231243341233
6241224533231231
721214436202460
oct3053664102543
9667281373071
10212044121443
1181a22418980
1235119192517
1316cc366145b
14a397906667
1557b0a0cc7d
hex315ed08563

212044121443 has 16 divisors (see below), whose sum is σ = 264625724160. Its totient is φ = 165067293600.

The previous prime is 212044121417. The next prime is 212044121459. The reversal of 212044121443 is 344121440212.

It is not a de Polignac number, because 212044121443 - 221 = 212042024291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212044121413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269973 + ... + 1427206.

It is an arithmetic number, because the mean of its divisors is an integer number (16539107760).

Almost surely, 2212044121443 is an apocalyptic number.

212044121443 is a deficient number, since it is larger than the sum of its proper divisors (52581602717).

212044121443 is a wasteful number, since it uses less digits than its factorization.

212044121443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698218.

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

Adding to 212044121443 its reverse (344121440212), we get a palindrome (556165561655).

The spelling of 212044121443 in words is "two hundred twelve billion, forty-four million, one hundred twenty-one thousand, four hundred forty-three".

Divisors: 1 7 11 77 1021 7147 11231 78617 2697179 18880253 29668969 207682783 2753819759 19276738313 30292017349 212044121443