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105005110505 = 5223337279451
BaseRepresentation
bin110000111001011001…
…0101101010011101001
3101001000222122022002212
41201302302231103221
53210022302014010
6120123315534505
710405060466261
oct1416262552351
9331028568085
10105005110505
1140594713769
1218425bba435
139b9573a4a9
145121a927a1
152ae8850505
hex1872cad4e9

105005110505 has 16 divisors (see below), whose sum is σ = 126947218944. Its totient is φ = 83378937600.

The previous prime is 105005110487. The next prime is 105005110517. The reversal of 105005110505 is 505011500501.

It is a happy number.

It is not a de Polignac number, because 105005110505 - 222 = 105000916201 is a prime.

It is a super-2 number, since 2×1050051105052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 236030 + ... + 515480.

It is an arithmetic number, because the mean of its divisors is an integer number (7934201184).

Almost surely, 2105005110505 is an apocalyptic number.

It is an amenable number.

105005110505 is a deficient number, since it is larger than the sum of its proper divisors (21942108439).

105005110505 is a wasteful number, since it uses less digits than its factorization.

105005110505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280016.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 105005110505 in words is "one hundred five billion, five million, one hundred ten thousand, five hundred five".

Divisors: 1 5 223 337 1115 1685 75151 279451 375755 1397255 62317573 94174987 311587865 470874935 21001022101 105005110505