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42520540301 = 172501208253
BaseRepresentation
bin100111100110011010…
…111111010010001101
311001202022220020202222
4213212122333102031
51144040224242201
631311134425125
73033461425541
oct474632772215
9131668806688
1042520540301
111703a8112a8
1282a80621a5
134018324025
1420b5247a21
15118ce1d91b
hex9e66bf48d

42520540301 has 4 divisors (see below), whose sum is σ = 45021748572. Its totient is φ = 40019332032.

The previous prime is 42520540247. The next prime is 42520540327. The reversal of 42520540301 is 10304502524.

It is a happy number.

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 14622855625 + 27897684676 = 120925^2 + 167026^2 .

It is a cyclic number.

It is not a de Polignac number, because 42520540301 - 214 = 42520523917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42520540001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250604110 + ... + 1250604143.

It is an arithmetic number, because the mean of its divisors is an integer number (11255437143).

Almost surely, 242520540301 is an apocalyptic number.

It is an amenable number.

42520540301 is a deficient number, since it is larger than the sum of its proper divisors (2501208271).

42520540301 is a wasteful number, since it uses less digits than its factorization.

42520540301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501208270.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 42520540301 in words is "forty-two billion, five hundred twenty million, five hundred forty thousand, three hundred one".

Divisors: 1 17 2501208253 42520540301