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42195745508 = 2278318156517
BaseRepresentation
bin100111010011000011…
…111111101011100100
311000220200201222002012
4213103003333223210
51142404102324013
631215013133352
73022435630130
oct472303775344
9130820658065
1042195745508
1116993442154
12821732a258
133c95c54567
14208405c3c0
15116e6631a8
hex9d30ffae4

42195745508 has 24 divisors (see below), whose sum is σ = 85408260672. Its totient is φ = 17866011744.

The previous prime is 42195745489. The next prime is 42195745523. The reversal of 42195745508 is 80554759124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075935 + ... + 9080582.

It is an arithmetic number, because the mean of its divisors is an integer number (3558677528).

Almost surely, 242195745508 is an apocalyptic number.

It is an amenable number.

42195745508 is an abundant number, since it is smaller than the sum of its proper divisors (43212515164).

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

42195745508 is a wasteful number, since it uses less digits than its factorization.

42195745508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18156611 (or 18156609 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 42195745508 in words is "forty-two billion, one hundred ninety-five million, seven hundred forty-five thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 2324 18156517 36313034 72626068 127095619 254191238 508382476 1506990911 3013981822 6027963644 10548936377 21097872754 42195745508