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221322331020200 = 23521106611655101
BaseRepresentation
bin110010010100101010011110…
…111010111101101110101000
31002000122012121210012101021112
4302110222132322331232220
5213002121113220121300
62102414024130325452
764422003453504224
oct6224523672755650
91060565553171245
10221322331020200
116457a300aaa573
12209a5900a29888
1396657b5c5b267
143c920b5137784
151a8c17d563e35
hexc94a9eebdba8

221322331020200 has 24 divisors (see below), whose sum is σ = 514574419622430. Its totient is φ = 88528932408000.

The previous prime is 221322331020181. The next prime is 221322331020239. The reversal of 221322331020200 is 2020133223122.

It can be written as a sum of positive squares in 3 ways, for example, as 121546964727556 + 99775366292644 = 11024834^2 + 9988762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553305827351 + ... + 553305827750.

Almost surely, 2221322331020200 is an apocalyptic number.

221322331020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221322331020200 is an abundant number, since it is smaller than the sum of its proper divisors (293252088602230).

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

221322331020200 is a wasteful number, since it uses less digits than its factorization.

221322331020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106611655117 (or 1106611655108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221322331020200 its reverse (2020133223122), we get a palindrome (223342464243322).

The spelling of 221322331020200 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, three hundred thirty-one million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1106611655101 2213223310202 4426446620404 5533058275505 8852893240808 11066116551010 22132233102020 27665291377525 44264466204040 55330582755050 110661165510100 221322331020200