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212446665112330 = 251131733221264961
BaseRepresentation
bin110000010011100000011000…
…000000011111101100001010
31000212012200222100220212010101
4300103200120000133230022
5210321211232232043310
62031500352311040014
762514523260205315
oct6023403000375412
91025180870825111
10212446665112330
1161768140a8a090
121b9b170637000a
1391708331808ac
143a6668b23797c
15198635a5a843a
hexc1381801fb0a

212446665112330 has 128 divisors (see below), whose sum is σ = 436661174495232. Its totient is φ = 73713991680000.

The previous prime is 212446665112307. The next prime is 212446665112333. The reversal of 212446665112330 is 33211566644212.

It is not an unprimeable number, because it can be changed into a prime (212446665112333) 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, 801671050 + ... + 801936010.

It is an arithmetic number, because the mean of its divisors is an integer number (3411415425744).

Almost surely, 2212446665112330 is an apocalyptic number.

212446665112330 is an abundant number, since it is smaller than the sum of its proper divisors (224214509382902).

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

212446665112330 is a wasteful number, since it uses less digits than its factorization.

212446665112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268304.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 212446665112330 in words is "two hundred twelve trillion, four hundred forty-six billion, six hundred sixty-five million, one hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 73 110 146 155 310 341 365 682 730 803 1606 1705 2263 3221 3410 4015 4526 6442 8030 11315 16105 22630 24893 32210 35431 49786 70862 99851 124465 177155 199702 235133 248930 264961 354310 470266 499255 529922 998510 1098361 1175665 1324805 2196722 2351330 2586463 2649610 2914571 5172926 5491805 5829142 7289123 8213791 10983610 12932315 14572855 14578246 16427582 19342153 25864630 29145710 36445615 38684306 41068955 72891230 80180353 82137910 90351701 96710765 160360706 180703402 193421530 212763683 400901765 425527366 451758505 599606743 801803530 853439381 903517010 1063818415 1199213486 1706878762 2127636830 2998033715 4267196905 5996067430 6595674173 8534393810 9387833191 13191348346 18775666382 26456620811 32978370865 46939165955 52913241622 62301074813 65956741730 93878331910 124602149626 132283104055 264566208110 291022828921 311505374065 582045657842 623010748130 685311822943 1370623645886 1455114144605 1931333319203 2910228289210 3426559114715 3862666638406 6853118229430 9656666596015 19313333192030 21244666511233 42489333022466 106223332556165 212446665112330