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212020022331330 = 235173890271068629
BaseRepresentation
bin110000001101010011000010…
…000111011100011111000010
31000210200220201220020222102220
4300031103002013130133002
5210242214001204100310
62030532353103351510
762441640542333043
oct6015230207343702
91023626656228386
10212020022331330
116161320628a014
121b942a985b2596
13913c52cb749a5
143a4db7685c8ca
15197a1d9b8c670
hexc0d4c21dc7c2

212020022331330 has 64 divisors (see below), whose sum is σ = 538782181165440. Its totient is φ = 53212681769984.

The previous prime is 212020022331289. The next prime is 212020022331373. The reversal of 212020022331330 is 33133220020212.

It is a self number, because there is not a number n which added to its sum of digits gives 212020022331330.

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, 197869456 + ... + 198938084.

It is an arithmetic number, because the mean of its divisors is an integer number (8418471580710).

Almost surely, 2212020022331330 is an apocalyptic number.

212020022331330 is an abundant number, since it is smaller than the sum of its proper divisors (326762158834110).

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

212020022331330 is a wasteful number, since it uses less digits than its factorization.

212020022331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457683.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212020022331330 its reverse (33133220020212), we get a palindrome (245153242351542).

The spelling of 212020022331330 in words is "two hundred twelve trillion, twenty billion, twenty-two million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 389027 778054 1068629 1167081 1945135 2137258 2334162 3205887 3890270 5343145 5835405 6411774 6613459 10686290 11670810 13226918 16029435 18166693 19840377 32058870 33067295 36333386 39680754 54500079 66134590 90833465 99201885 109000158 181666930 198403770 272500395 545000790 415725533983 831451067966 1247176601949 2078627669915 2494353203898 4157255339830 6235883009745 7067334077711 12471766019490 14134668155422 21202002233133 35336670388555 42404004466266 70673340777110 106010011165665 212020022331330