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212031222310 = 2528199775683
BaseRepresentation
bin1100010101111000001…
…0111011001000100110
3202021021211011002210201
43011132002323020212
511433214443103220
6241223352541114
721214221436615
oct3053602731046
9667254132721
10212031222310
1181a16108636
12351149b179a
1316cc0a9612b
14a395d0987c
1557ae810d0a
hex315e0bb226

212031222310 has 32 divisors (see below), whose sum is σ = 383403640032. Its totient is φ = 84424784640.

The previous prime is 212031222289. The next prime is 212031222343. The reversal of 212031222310 is 13222130212.

212031222310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2120312223102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763729 + ... + 2839411.

It is an arithmetic number, because the mean of its divisors is an integer number (11981363751).

Almost surely, 2212031222310 is an apocalyptic number.

212031222310 is a deficient number, since it is larger than the sum of its proper divisors (171372417722).

212031222310 is a wasteful number, since it uses less digits than its factorization.

212031222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76968.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212031222310 its reverse (13222130212), we get a palindrome (225253352522).

The spelling of 212031222310 in words is "two hundred twelve billion, thirty-one million, two hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 5 10 281 562 997 1405 1994 2810 4985 9970 75683 151366 280157 378415 560314 756830 1400785 2801570 21266923 42533846 75455951 106334615 150911902 212669230 377279755 754559510 21203122231 42406244462 106015611155 212031222310