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42382083809 = 132250781561
BaseRepresentation
bin100111011110001010…
…110100011011100001
311001101200100221011202
4213132022310123201
51143244303140214
631245311050545
73030160524362
oct473612643341
9131350327152
1042382083809
1116a7964394a
128269810a55
133cc5737400
1420a0ac5b69
151180bbe6de
hex9de2b46e1

42382083809 has 6 divisors (see below), whose sum is σ = 45893025846. Its totient is φ = 39121923360.

The previous prime is 42382083781. The next prime is 42382083823. The reversal of 42382083809 is 90838028324.

It can be written as a sum of positive squares in 3 ways, for example, as 2759190784 + 39622893025 = 52528^2 + 199055^2 .

It is not a de Polignac number, because 42382083809 - 212 = 42382079713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42382083859) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 125390612 + ... + 125390949.

It is an arithmetic number, because the mean of its divisors is an integer number (7648837641).

Almost surely, 242382083809 is an apocalyptic number.

It is an amenable number.

42382083809 is a deficient number, since it is larger than the sum of its proper divisors (3510942037).

42382083809 is a wasteful number, since it uses less digits than its factorization.

42382083809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250781587 (or 250781574 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 42382083809 in words is "forty-two billion, three hundred eighty-two million, eighty-three thousand, eight hundred nine".

Divisors: 1 13 169 250781561 3260160293 42382083809