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105894472320 = 2732574131931
BaseRepresentation
bin110001010011111001…
…1010110101010000000
3101010022222010120011100
41202213303112222000
53213332441103240
6120351450014400
710436110110000
oct1424763265200
9333288116140
10105894472320
1140a0073a42a
1218633a17400
139ca7a7a9a0
1451a7c40000
152b4b979e30
hex18a7cd6a80

105894472320 has 1920 divisors, whose sum is σ = 499178534400. Its totient is φ = 20483850240.

The previous prime is 105894472309. The next prime is 105894472417. The reversal of 105894472320 is 23274498501.

105894472320 is a `hidden beast` number, since 1 + 0 + 589 + 4 + 47 + 2 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×1058944723202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 239 ways as a sum of consecutive naturals, for example, 3415950705 + ... + 3415950735.

It is an arithmetic number, because the mean of its divisors is an integer number (259988820).

Almost surely, 2105894472320 is an apocalyptic number.

105894472320 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 105894472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249589267200).

105894472320 is an abundant number, since it is smaller than the sum of its proper divisors (393284062080).

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

105894472320 is a wasteful number, since it uses less digits than its factorization.

105894472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 105894472320 in words is "one hundred five billion, eight hundred ninety-four million, four hundred seventy-two thousand, three hundred twenty".