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19852942833444 = 223719291133795907
BaseRepresentation
bin1001000001110010111111…
…00110101111011100100100
32121021220220201110102100110
410200321133212233130210
510100232311331132234
6110120152132413020
74116220300516650
oct440713746573444
977256821412313
1019852942833444
116364649734246
122287772477170
13b10180621756
144c8c5d671a60
152466498071e9
hex120e5f9af724

19852942833444 has 192 divisors, whose sum is σ = 58159384012800. Its totient is φ = 5142511245312.

The previous prime is 19852942833431. The next prime is 19852942833541. The reversal of 19852942833444 is 44433824925891.

It is a super-2 number, since 2×198529428334442 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3332139 + ... + 7128045.

It is an arithmetic number, because the mean of its divisors is an integer number (302913458400).

Almost surely, 219852942833444 is an apocalyptic number.

19852942833444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19852942833444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29079692006400).

19852942833444 is an abundant number, since it is smaller than the sum of its proper divisors (38306441179356).

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

19852942833444 is a wasteful number, since it uses less digits than its factorization.

19852942833444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796082 (or 3796080 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 66.

The spelling of 19852942833444 in words is "nineteen trillion, eight hundred fifty-two billion, nine hundred forty-two million, eight hundred thirty-three thousand, four hundred forty-four".