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42263197830 = 23257379071999
BaseRepresentation
bin100111010111000101…
…010011100010000110
311001002101122220021100
4213113011103202012
51143023334312310
631225423000530
73024215153130
oct472705234206
9131071586240
1042263197830
1116a18523077
128235a39146
133ca6c10589
14208cdba050
151175538ec0
hex9d7153886

42263197830 has 192 divisors, whose sum is σ = 129182976000. Its totient is φ = 9384014592.

The previous prime is 42263197819. The next prime is 42263197883. The reversal of 42263197830 is 3879136224.

42263197830 is a `hidden beast` number, since 4 + 2 + 2 + 631 + 9 + 7 + 8 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21141171 + ... + 21143169.

It is an arithmetic number, because the mean of its divisors is an integer number (672828000).

Almost surely, 242263197830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42263197830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64591488000).

42263197830 is an abundant number, since it is smaller than the sum of its proper divisors (86919778170).

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

42263197830 is a wasteful number, since it uses less digits than its factorization.

42263197830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 42263197830 in words is "forty-two billion, two hundred sixty-three million, one hundred ninety-seven thousand, eight hundred thirty".