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442789397060 = 225181122317513
BaseRepresentation
bin1100111000110000100…
…11100000001001000100
31120022220202100221220112
412130120103200021010
524223313041201220
6535225321252152
743663506526523
oct6343023401104
91508822327815
10442789397060
1116087108676a
1271995334058
13329a75779ba
1417606dd44ba
15b7b82235c5
hex67184e0244

442789397060 has 24 divisors (see below), whose sum is σ = 934995077016. Its totient is φ = 176137217280.

The previous prime is 442789397041. The next prime is 442789397069. The reversal of 442789397060 is 60793987244.

It can be written as a sum of positive squares in 4 ways, for example, as 43638374404 + 399151022656 = 208898^2 + 631784^2 .

It is not an unprimeable number, because it can be changed into a prime (442789397069) 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, 61155137 + ... + 61162376.

It is an arithmetic number, because the mean of its divisors is an integer number (38958128209).

Almost surely, 2442789397060 is an apocalyptic number.

It is an amenable number.

442789397060 is an abundant number, since it is smaller than the sum of its proper divisors (492205679956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442789397060 is a wasteful number, since it uses less digits than its factorization.

442789397060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122317703 (or 122317701 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 442789397060 in words is "four hundred forty-two billion, seven hundred eighty-nine million, three hundred ninety-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 122317513 244635026 489270052 611587565 1223175130 2446350260 22139469853 44278939706 88557879412 110697349265 221394698530 442789397060