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212130031112 = 23937148719031
BaseRepresentation
bin1100010110001111101…
…1110110011000001000
3202021112201002002222222
43011203323312120020
511433420241443422
6241241242433212
721216531341126
oct3054373663010
9667481062888
10212130031112
1181a669660aa
1235141b02808
13170083b068c
14a3a50aa916
1557b832c842
hex3163ef6608

212130031112 has 32 divisors (see below), whose sum is σ = 398456997120. Its totient is φ = 105875003520.

The previous prime is 212130031109. The next prime is 212130031129. The reversal of 212130031112 is 211130031212.

212130031112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2121300311123 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11137037 + ... + 11156067.

It is an arithmetic number, because the mean of its divisors is an integer number (12451781160).

Almost surely, 2212130031112 is an apocalyptic number.

It is an amenable number.

212130031112 is a deficient number, since it is larger than the sum of its proper divisors (186326966008).

212130031112 is a wasteful number, since it uses less digits than its factorization.

212130031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21461 (or 21457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212130031112 its reverse (211130031212), we get a palindrome (423260062324).

The spelling of 212130031112 in words is "two hundred twelve billion, one hundred thirty million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 937 1487 1874 2974 3748 5948 7496 11896 19031 38062 76124 152248 1393319 2786638 5573276 11146552 17832047 28299097 35664094 56598194 71328188 113196388 142656376 226392776 26516253889 53032507778 106065015556 212130031112