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105005125344 = 2537156257627
BaseRepresentation
bin110000111001011001…
…0110000111011100000
3101001000222200001110110
41201302302300323200
53210022303002334
6120123320131320
710405060560450
oct1416262607340
9331028601413
10105005125344
1140594723929
1218426006b40
139b95744182
145121a97d60
152ae8854ae9
hex1872cb0ee0

105005125344 has 48 divisors (see below), whose sum is σ = 315015378048. Its totient is φ = 30001464192.

The previous prime is 105005125321. The next prime is 105005125391. The reversal of 105005125344 is 443521500501.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1050051253442 (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 78128142 + ... + 78129485.

It is an arithmetic number, because the mean of its divisors is an integer number (6562820376).

Almost surely, 2105005125344 is an apocalyptic number.

105005125344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105005125344 is an abundant number, since it is smaller than the sum of its proper divisors (210010252704).

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

105005125344 is a wasteful number, since it uses less digits than its factorization.

105005125344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156257647 (or 156257639 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 105005125344 its reverse (443521500501), we get a palindrome (548526625845).

The spelling of 105005125344 in words is "one hundred five billion, five million, one hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 156257627 312515254 468772881 625030508 937545762 1093803389 1250061016 1875091524 2187606778 2500122032 3281410167 3750183048 4375213556 5000244064 6562820334 7500366096 8750427112 13125640668 15000732192 17500854224 26251281336 35001708448 52502562672 105005125344