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212202211012330 = 25711431639413659
BaseRepresentation
bin110000001111111100101101…
…011010000110111011101010
31000211100022222221101220120211
4300033330231122012323222
5210303210112004343310
62031152203331211334
762461050415510240
oct6017745532067352
91024308887356524
10212202211012330
11616834a801a670
121b972263146b4a
139153776086846
143a588db1ca790
15197ecee5c8c8a
hexc0ff2d686eea

212202211012330 has 64 divisors (see below), whose sum is σ = 477319739535360. Its totient is φ = 65987489505600.

The previous prime is 212202211012279. The next prime is 212202211012367. The reversal of 212202211012330 is 33210112202212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319374960 + ... + 320038699.

It is an arithmetic number, because the mean of its divisors is an integer number (7458120930240).

Almost surely, 2212202211012330 is an apocalyptic number.

212202211012330 is an abundant number, since it is smaller than the sum of its proper divisors (265117528523030).

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

212202211012330 is a wasteful number, since it uses less digits than its factorization.

212202211012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639414115.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212202211012330 its reverse (33210112202212), we get a palindrome (245412323214542).

The spelling of 212202211012330 in words is "two hundred twelve trillion, two hundred two billion, two hundred eleven million, twelve thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 431 770 862 2155 3017 4310 4741 6034 9482 15085 23705 30170 33187 47410 66374 165935 331870 639413659 1278827318 3197068295 4475895613 6394136590 7033550249 8951791226 14067100498 22379478065 35167751245 44758956130 49234851743 70335502490 98469703486 246174258715 275587287029 492348517430 551174574058 1377936435145 1929111009203 2755872870290 3031460157319 3858222018406 6062920314638 9645555046015 15157300786595 19291110092030 21220221101233 30314601573190 42440442202466 106101105506165 212202211012330