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212010023286 = 23271784121157
BaseRepresentation
bin1100010101110011001…
…0000011100101110110
3202021020100021002012200
43011130302003211312
511433144031221121
6241221314325330
721213543315105
oct3053462034566
9667210232180
10212010023286
1181a05149486
1235109889846
1316cb9583029
14a39318c03c
1557aca24a26
hex315cc83976

212010023286 has 48 divisors (see below), whose sum is σ = 465906269088. Its totient is φ = 69662476800.

The previous prime is 212010023209. The next prime is 212010023287. The reversal of 212010023286 is 682320010212.

212010023286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010023287) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10010220 + ... + 10031376.

It is an arithmetic number, because the mean of its divisors is an integer number (9706380606).

Almost surely, 2212010023286 is an apocalyptic number.

212010023286 is an abundant number, since it is smaller than the sum of its proper divisors (253896245802).

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

212010023286 is a wasteful number, since it uses less digits than its factorization.

212010023286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29077 (or 29074 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 212010023286 its reverse (682320010212), we get a palindrome (894330033498).

The spelling of 212010023286 in words is "two hundred twelve billion, ten million, twenty-three thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 7841 15682 21157 23523 42314 47046 63471 70569 126942 141138 190413 380826 556711 1113422 1502147 1670133 3004294 3340266 4506441 5010399 9012882 10020798 13519323 27038646 165892037 331784074 497676111 995352222 1493028333 2986056666 11778334627 23556669254 35335003881 70670007762 106005011643 212010023286