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105165270425 = 524933852749
BaseRepresentation
bin110000111110001010…
…1101010110110011001
3101001110011000021012202
41201330111222312121
53210334302123200
6120151240415545
710412044022645
oct1417425526631
9331404007182
10105165270425
1140667065236
121846b7775b5
139bbc985987
145139063c25
152b0793a1d5
hex187c56ad99

105165270425 has 12 divisors (see below), whose sum is σ = 130431523500. Its totient is φ = 84115062720.

The previous prime is 105165270347. The next prime is 105165270437. The reversal of 105165270425 is 524072561501.

It can be written as a sum of positive squares in 6 ways, for example, as 28504921 + 105136765504 = 5339^2 + 324248^2 .

It is not a de Polignac number, because 105165270425 - 28 = 105165270169 is a prime.

It is a super-2 number, since 2×1051652704252 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303050 + ... + 549699.

It is an arithmetic number, because the mean of its divisors is an integer number (10869293625).

Almost surely, 2105165270425 is an apocalyptic number.

It is an amenable number.

105165270425 is a deficient number, since it is larger than the sum of its proper divisors (25266253075).

105165270425 is an equidigital number, since it uses as much as digits as its factorization.

105165270425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857692 (or 857687 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 105165270425 in words is "one hundred five billion, one hundred sixty-five million, two hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 25 4933 24665 123325 852749 4263745 21318725 4206610817 21033054085 105165270425