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210220331041212 = 22317518360920101
BaseRepresentation
bin101111110011000110111100…
…001010000000000110111100
31000120022212102022120220022120
4233303012330022000012330
5210023222214221304322
62023033515321242540
762164626526635552
oct5763067412000674
91016285368526276
10210220331041212
1160a89a3a492768
121b6b2137633450
13903b8cc889b6b
1439caa0b08dbd2
1519484a72b3a5c
hexbf31bc2801bc

210220331041212 has 12 divisors (see below), whose sum is σ = 490514105762856. Its totient is φ = 70073443680400.

The previous prime is 210220331041187. The next prime is 210220331041223. The reversal of 210220331041212 is 212140133022012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8759180460039 + ... + 8759180460062.

It is an arithmetic number, because the mean of its divisors is an integer number (40876175480238).

Almost surely, 2210220331041212 is an apocalyptic number.

It is an amenable number.

210220331041212 is an abundant number, since it is smaller than the sum of its proper divisors (280293774721644).

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

210220331041212 is a wasteful number, since it uses less digits than its factorization.

210220331041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518360920108 (or 17518360920106 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 210220331041212 its reverse (212140133022012), we get a palindrome (422360464063224).

The spelling of 210220331041212 in words is "two hundred ten trillion, two hundred twenty billion, three hundred thirty-one million, forty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17518360920101 35036721840202 52555082760303 70073443680404 105110165520606 210220331041212