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420420044422 = 27243712322529
BaseRepresentation
bin1100001111000101111…
…11001100011010000110
31111012011210111002212101
412013202333030122012
523342010012410142
6521045512342314
742242254262140
oct6074277143206
91435153432771
10420420044422
11152332177a74
12695919a499a
1330851054c71
14164c4189c90
15ae094870b7
hex61e2fcc686

420420044422 has 16 divisors (see below), whose sum is σ = 721015875360. Its totient is φ = 180106069248.

The previous prime is 420420044377. The next prime is 420420044423. The reversal of 420420044422 is 224440024024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420044423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6127147 + ... + 6195382.

It is an arithmetic number, because the mean of its divisors is an integer number (45063492210).

Almost surely, 2420420044422 is an apocalyptic number.

420420044422 is a deficient number, since it is larger than the sum of its proper divisors (300595830938).

420420044422 is a wasteful number, since it uses less digits than its factorization.

420420044422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324975.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 420420044422 its reverse (224440024024), we get a palindrome (644860068446).

The spelling of 420420044422 in words is "four hundred twenty billion, four hundred twenty million, forty-four thousand, four hundred twenty-two".

Divisors: 1 2 7 14 2437 4874 17059 34118 12322529 24645058 86257703 172515406 30030003173 60060006346 210210022211 420420044422