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54223196981850 = 232521399722134201
BaseRepresentation
bin11000101010000110100100…
…11001010000101001011010
321002222200112211100102110100
430111003102121100221122
524101343101411404400
6311153443125200230
714264332240445031
oct1425032231205132
9232880484312410
1054223196981850
1116305a24111736
1260b899ab60076
1324342c1668330
14d565b9751718
1564070a80e100
hex3150d2650a5a

54223196981850 has 288 divisors, whose sum is σ = 157151504253744. Its totient is φ = 13324663296000.

The previous prime is 54223196981831. The next prime is 54223196981867. The reversal of 54223196981850 is 5818969132245.

54223196981850 is a `hidden beast` number, since 5 + 422 + 3 + 196 + 9 + 8 + 18 + 5 + 0 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 181688210001 + 54041508771849 = 426249^2 + 7351293^2 .

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 143 ways as a sum of consecutive naturals, for example, 12907209750 + ... + 12907213950.

Almost surely, 254223196981850 is an apocalyptic number.

54223196981850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54223196981850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78575752126872).

54223196981850 is an abundant number, since it is smaller than the sum of its proper divisors (102928307271894).

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

54223196981850 is a wasteful number, since it uses less digits than its factorization.

54223196981850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442 (or 7434 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 54223196981850 in words is "fifty-four trillion, two hundred twenty-three billion, one hundred ninety-six million, nine hundred eighty-one thousand, eight hundred fifty".