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10065252061 = 10199655961
BaseRepresentation
bin10010101111110111…
…11000111011011101
3221222110112210010101
421113323320323131
5131103201031221
64342433141101
7504266142124
oct112773707335
927873483111
1010065252061
1142a5632937
121b4a9ba791
13c45385b67
146b6aaaabb
153dd99bd91
hex257ef8edd

10065252061 has 4 divisors (see below), whose sum is σ = 10164908124. Its totient is φ = 9965596000.

The previous prime is 10065252059. The next prime is 10065252077. The reversal of 10065252061 is 16025256001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6801300900 + 3263951161 = 82470^2 + 57131^2 .

It is a cyclic number.

It is not a de Polignac number, because 10065252061 - 21 = 10065252059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10065252091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49827880 + ... + 49828081.

It is an arithmetic number, because the mean of its divisors is an integer number (2541227031).

Almost surely, 210065252061 is an apocalyptic number.

It is an amenable number.

10065252061 is a deficient number, since it is larger than the sum of its proper divisors (99656063).

10065252061 is an equidigital number, since it uses as much as digits as its factorization.

10065252061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99656062.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 10065252061 in words is "ten billion, sixty-five million, two hundred fifty-two thousand, sixty-one".

Divisors: 1 101 99655961 10065252061