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105894847900 = 225217127490481
BaseRepresentation
bin110001010011111010…
…0110010010110011100
3101010022222211122100201
41202213310302112130
53213333040113100
6120351502033244
710436113232662
oct1424764622634
9333288748321
10105894847900
1140a00976626
1218633b78824
139ca7b7c91a
1451a7cdac32
152b4ba0136a
hex18a7d3259c

105894847900 has 72 divisors (see below), whose sum is σ = 245225304576. Its totient is φ = 39552307200.

The previous prime is 105894847897. The next prime is 105894847909. The reversal of 105894847900 is 9748498501.

It is a happy number.

It is a super-2 number, since 2×1058948479002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105894847909) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29341 + ... + 461140.

It is an arithmetic number, because the mean of its divisors is an integer number (3405907008).

Almost surely, 2105894847900 is an apocalyptic number.

105894847900 is a gapful number since it is divisible by the number (10) 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 105894847900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122612652288).

105894847900 is an abundant number, since it is smaller than the sum of its proper divisors (139330456676).

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

105894847900 is a wasteful number, since it uses less digits than its factorization.

105894847900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490639 (or 490632 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 105894847900 in words is "one hundred five billion, eight hundred ninety-four million, eight hundred forty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 127 170 254 340 425 508 635 850 1270 1700 2159 2540 3175 4318 6350 8636 10795 12700 21590 43180 53975 107950 215900 490481 980962 1961924 2452405 4904810 8338177 9809620 12262025 16676354 24524050 33352708 41690885 49048100 62291087 83381770 124582174 166763540 208454425 249164348 311455435 416908850 622910870 833817700 1058948479 1245821740 1557277175 2117896958 3114554350 4235793916 5294742395 6229108700 10589484790 21178969580 26473711975 52947423950 105894847900