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212342331443 = 11176733750291
BaseRepresentation
bin1100010111000010010…
…1101101100000110011
3202022002111120002022012
43011300211231200303
511434334114101233
6241314305033135
721225020015414
oct3056045554063
9668074502265
10212342331443
118206578a520
12351a10257ab
1317040383588
14a3c537180b
1557cbcb6548
hex317096d833

212342331443 has 32 divisors (see below), whose sum is σ = 249676846848. Its totient is φ = 178436966400.

The previous prime is 212342331431. The next prime is 212342331449. The reversal of 212342331443 is 344133243212.

It is not a de Polignac number, because 212342331443 - 224 = 212325554227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212342331449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4197128 + ... + 4247418.

It is an arithmetic number, because the mean of its divisors is an integer number (7802401464).

Almost surely, 2212342331443 is an apocalyptic number.

212342331443 is a deficient number, since it is larger than the sum of its proper divisors (37334515405).

212342331443 is a wasteful number, since it uses less digits than its factorization.

212342331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50723.

The product of its digits is 41472, while the sum is 32.

Adding to 212342331443 its reverse (344133243212), we get a palindrome (556475574655).

The spelling of 212342331443 in words is "two hundred twelve billion, three hundred forty-two million, three hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 11 17 67 187 337 737 1139 3707 5729 12529 22579 50291 63019 248369 383843 553201 854947 3369497 4222273 9404417 16948067 37064467 57281449 186428737 288117139 630095939 1135520489 3169288529 12490725379 19303848313 212342331443