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42130414405 = 58426082881
BaseRepresentation
bin100111001111001010…
…110001101101000101
311000202010210210122201
4213033022301231011
51142240341230110
631204320554501
73021013420342
oct471712615505
9130663723581
1042130414405
111695a57aa02
1281b9482a31
133c8555bbc1
1420794d37c9
151168a5ab3a
hex9cf2b1b45

42130414405 has 4 divisors (see below), whose sum is σ = 50556497292. Its totient is φ = 33704331520.

The previous prime is 42130414379. The next prime is 42130414421. The reversal of 42130414405 is 50441403124.

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 12886336324 + 29244078081 = 113518^2 + 171009^2 .

It is a de Polignac number, because none of the positive numbers 2k-42130414405 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4213041436 + ... + 4213041445.

It is an arithmetic number, because the mean of its divisors is an integer number (12639124323).

Almost surely, 242130414405 is an apocalyptic number.

It is an amenable number.

42130414405 is a deficient number, since it is larger than the sum of its proper divisors (8426082887).

42130414405 is an equidigital number, since it uses as much as digits as its factorization.

42130414405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426082886.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 42130414405 its reverse (50441403124), we get a palindrome (92571817529).

The spelling of 42130414405 in words is "forty-two billion, one hundred thirty million, four hundred fourteen thousand, four hundred five".

Divisors: 1 5 8426082881 42130414405