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212222214204 = 2237211132523931
BaseRepresentation
bin1100010110100101101…
…1100000000000111100
3202021210010112111102120
43011221123200000330
511434112341323304
6241254334322540
721222031025400
oct3055133400074
9667703474376
10212222214204
11820039a8680
1235168959450
13170215181a0
14a3b3425100
1557c148b0d9
hex31696e003c

212222214204 has 144 divisors (see below), whose sum is σ = 676736839296. Its totient is φ = 50882428800.

The previous prime is 212222214181. The next prime is 212222214221. The reversal of 212222214204 is 402412222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1177882 + ... + 1346049.

It is an arithmetic number, because the mean of its divisors is an integer number (4699561384).

Almost surely, 2212222214204 is an apocalyptic number.

It is an amenable number.

212222214204 is an abundant number, since it is smaller than the sum of its proper divisors (464514625092).

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

212222214204 is a wasteful number, since it uses less digits than its factorization.

212222214204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523976 (or 2523967 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212222214204 its reverse (402412222212), we get a palindrome (614634436416).

It can be divided in two parts, 212222 and 214204, that added together give a triangular number (426426 = T923).

The spelling of 212222214204 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred fourteen thousand, two hundred four".

Divisors: 1 2 3 4 6 7 11 12 13 14 21 22 26 28 33 39 42 44 49 52 66 77 78 84 91 98 132 143 147 154 156 182 196 231 273 286 294 308 364 429 462 539 546 572 588 637 858 924 1001 1078 1092 1274 1617 1716 1911 2002 2156 2548 3003 3234 3822 4004 6006 6468 7007 7644 12012 14014 21021 28028 42042 84084 2523931 5047862 7571793 10095724 15143586 17667517 27763241 30287172 32811103 35335034 53002551 55526482 65622206 70670068 83289723 98433309 106005102 111052964 123672619 131244412 166579446 194342687 196866618 212010204 229677721 247345238 333158892 360922133 371017857 388685374 393733236 459355442 494690476 583028061 689033163 721844266 742035714 777370748 918710884 1082766399 1166056122 1360398809 1378066326 1443688532 1484071428 1607744047 2165532798 2332112244 2526454931 2720797618 2756132652 3215488094 4081196427 4331065596 4823232141 5052909862 5441595236 6430976188 7579364793 8162392854 9646464282 10105819724 15158729586 16324785708 17685184517 19292928564 30317459172 35370369034 53055553551 70740738068 106111107102 212222214204