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42283978880 = 27511133712487
BaseRepresentation
bin100111011000010100…
…100101000010000000
311001010211202200111212
4213120110211002000
51143044144311010
631231444225252
73024556614233
oct473024450200
9131124680455
1042283978880
1116a292271a0
12824099b228
133cab308360
142091a6941a
151177291505
hex9d8525080

42283978880 has 256 divisors, whose sum is σ = 121976789760. Its totient is φ = 13808517120.

The previous prime is 42283978879. The next prime is 42283978897. The reversal of 42283978880 is 8887938224.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3379997 + ... + 3392483.

It is an arithmetic number, because the mean of its divisors is an integer number (476471835).

Almost surely, 242283978880 is an apocalyptic number.

42283978880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42283978880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60988394880).

42283978880 is an abundant number, since it is smaller than the sum of its proper divisors (79692810880).

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

42283978880 is a wasteful number, since it uses less digits than its factorization.

42283978880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567 (or 12555 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 42283978880 in words is "forty-two billion, two hundred eighty-three million, nine hundred seventy-eight thousand, eight hundred eighty".