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212220210202 = 27311132163349
BaseRepresentation
bin1100010110100101001…
…1110110110000011010
3202021202222202200110021
43011221103312300122
511434111333211302
6241254223341054
721222005011000
oct3055123666032
9667688680407
10212220210202
1182002859a80
123516815178a
1317020c95ca0
14a3b3062a70
1557c11e2437
hex31694f6c1a

212220210202 has 64 divisors (see below), whose sum is σ = 436131360000. Its totient is φ = 76322917440.

The previous prime is 212220210199. The next prime is 212220210217. The reversal of 212220210202 is 202012022212.

212220210202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983577 + ... + 1179772.

It is an arithmetic number, because the mean of its divisors is an integer number (6814552500).

Almost surely, 2212220210202 is an apocalyptic number.

212220210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212220210202 is an abundant number, since it is smaller than the sum of its proper divisors (223911149798).

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

212220210202 is a wasteful number, since it uses less digits than its factorization.

212220210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163396 (or 2163382 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212220210202 its reverse (202012022212), we get a palindrome (414232232414).

The spelling of 212220210202 in words is "two hundred twelve billion, two hundred twenty million, two hundred ten thousand, two hundred two".

Divisors: 1 2 7 11 13 14 22 26 49 77 91 98 143 154 182 286 343 539 637 686 1001 1078 1274 2002 3773 4459 7007 7546 8918 14014 49049 98098 2163349 4326698 15143443 23796839 28123537 30286886 47593678 56247074 106004101 166577873 196864759 212008202 309358907 333155746 393729518 618717814 742028707 1166045111 1378053313 1484057414 2165512349 2332090222 2756106626 4331024698 8162315777 9646373191 15158586443 16324631554 19292746382 30317172886 106110105101 212220210202