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212023539312 = 2431319294314341
BaseRepresentation
bin1100010101110110010…
…1100111011001110000
3202021021021200202201020
43011131211213121300
511433211011224222
6241222520135440
721214066230324
oct3053545473160
9667237622636
10212023539312
1181a11840252
1235112307580
1316cbc306090
14a394ca9984
1557adce465c
hex315d967670

212023539312 has 320 divisors, whose sum is σ = 657299596800. Its totient is φ = 58281431040.

The previous prime is 212023539289. The next prime is 212023539313. The reversal of 212023539312 is 213935320212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212023539313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14777262 + ... + 14791602.

It is an arithmetic number, because the mean of its divisors is an integer number (2054061240).

Almost surely, 2212023539312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212023539312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328649798400).

212023539312 is an abundant number, since it is smaller than the sum of its proper divisors (445276057488).

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

212023539312 is a wasteful number, since it uses less digits than its factorization.

212023539312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456 (or 14450 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 212023539312 its reverse (213935320212), we get a palindrome (425958859524).

The spelling of 212023539312 in words is "two hundred twelve billion, twenty-three million, five hundred thirty-nine thousand, three hundred twelve".