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213222200312 = 23112422979549
BaseRepresentation
bin1100011010010100001…
…0001001001111111000
3202101100211012001111002
43012211002021033320
511443134340402222
6241541455424132
721255562540652
oct3064502111770
9671324161432
10213222200312
1182477411a80
12353a7825048
131715074bc44
14a46a16b6d2
15582e168392
hex31a50893f8

213222200312 has 16 divisors (see below), whose sum is σ = 436136319000. Its totient is φ = 96919181920.

The previous prime is 213222200267. The next prime is 213222200339. The reversal of 213222200312 is 213002222312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211489687 + ... + 1211489862.

Almost surely, 2213222200312 is an apocalyptic number.

213222200312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213222200312 is an abundant number, since it is smaller than the sum of its proper divisors (222914118688).

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

213222200312 is a wasteful number, since it uses less digits than its factorization.

213222200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422979566 (or 2422979562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213222200312 its reverse (213002222312), we get a palindrome (426224422624).

The spelling of 213222200312 in words is "two hundred thirteen billion, two hundred twenty-two million, two hundred thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 2422979549 4845959098 9691918196 19383836392 26652775039 53305550078 106611100156 213222200312