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42324464720 = 245529055809
BaseRepresentation
bin100111011010101111…
…000001010001010000
311001020122221120122102
4213122233001101100
51143140030332340
631235452055532
73025561004606
oct473257012120
9131218846572
1042324464720
1116a4a06986a
1282524645a8
133cb6812085
1420971a7876
15117aadc215
hex9dabc1450

42324464720 has 20 divisors (see below), whose sum is σ = 98404380660. Its totient is φ = 16929785856.

The previous prime is 42324464713. The next prime is 42324464789. The reversal of 42324464720 is 2746442324.

It can be written as a sum of positive squares in 2 ways, for example, as 6195578944 + 36128885776 = 78712^2 + 190076^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264527825 + ... + 264527984.

It is an arithmetic number, because the mean of its divisors is an integer number (4920219033).

Almost surely, 242324464720 is an apocalyptic number.

42324464720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42324464720 is an abundant number, since it is smaller than the sum of its proper divisors (56079915940).

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

42324464720 is a wasteful number, since it uses less digits than its factorization.

42324464720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529055822 (or 529055816 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 38.

The spelling of 42324464720 in words is "forty-two billion, three hundred twenty-four million, four hundred sixty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 529055809 1058111618 2116223236 2645279045 4232446472 5290558090 8464892944 10581116180 21162232360 42324464720