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105803294688 = 2533731329947
BaseRepresentation
bin110001010001001011…
…1100010011111100000
3101010002121120020222000
41202202113202133200
53213141120412223
6120334431444000
710433622111000
oct1424227423740
9333077506860
10105803294688
1140964224313
1218609386600
139c91c05a20
145199aa8000
152b43969543
hex18a25e27e0

105803294688 has 768 divisors, whose sum is σ = 401345280000. Its totient is φ = 26913503232.

The previous prime is 105803294657. The next prime is 105803294699. The reversal of 105803294688 is 886492308501.

105803294688 is a `hidden beast` number, since 10 + 580 + 3 + 2 + 9 + 46 + 8 + 8 = 666.

It is a super-2 number, since 2×1058032946882 (a number of 23 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 111724231 + ... + 111725177.

It is an arithmetic number, because the mean of its divisors is an integer number (522585000).

Almost surely, 2105803294688 is an apocalyptic number.

105803294688 is a gapful number since it is divisible by the number (18) 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 105803294688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200672640000).

105803294688 is an abundant number, since it is smaller than the sum of its proper divisors (295541985312).

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

105803294688 is a wasteful number, since it uses less digits than its factorization.

105803294688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 105803294688 in words is "one hundred five billion, eight hundred three million, two hundred ninety-four thousand, six hundred eighty-eight".