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20352749850108 = 2234131923431371877
BaseRepresentation
bin1001010000010101111100…
…11011001100110111111100
32200001201000010112120020000
410220022332123030313330
510131424412430200413
6111141531343354300
74200303054204564
oct450127633146774
980051003476200
1020352749850108
116537609771485
1223485ba8b2990
13b483437a0bb0
14505114dbbda4
1525464d51a073
hex1282be6ccdfc

20352749850108 has 960 divisors, whose sum is σ = 64905280957440. Its totient is φ = 5499474849792.

The previous prime is 20352749850073. The next prime is 20352749850113. The reversal of 20352749850108 is 80105894725302.

20352749850108 is a `hidden beast` number, since 2 + 0 + 3 + 527 + 4 + 9 + 8 + 5 + 0 + 108 = 666.

It is a super-2 number, since 2×203527498501082 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 10843232866 + ... + 10843234742.

It is an arithmetic number, because the mean of its divisors is an integer number (67609667664).

Almost surely, 220352749850108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20352749850108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32452640478720).

20352749850108 is an abundant number, since it is smaller than the sum of its proper divisors (44552531107332).

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

20352749850108 is a wasteful number, since it uses less digits than its factorization.

20352749850108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 20352749850108 in words is "twenty trillion, three hundred fifty-two billion, seven hundred forty-nine million, eight hundred fifty thousand, one hundred eight".