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42022122540 = 2235193110910909
BaseRepresentation
bin100111001000101101…
…101011010000101100
311000110121001000010220
4213020231223100230
51142030130410130
631145451531340
73015230101536
oct471055532054
9130417030126
1042022122540
11169044356a2
128189159b50
133c68ca4188
142068d84856
15115e2b9410
hex9c8b6b42c

42022122540 has 192 divisors, whose sum is σ = 129034752000. Its totient is φ = 10178472960.

The previous prime is 42022122533. The next prime is 42022122581. The reversal of 42022122540 is 4522122024.

It is a self number, because there is not a number n which added to its sum of digits gives 42022122540.

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 63 ways as a sum of consecutive naturals, for example, 3846606 + ... + 3857514.

It is an arithmetic number, because the mean of its divisors is an integer number (672056000).

Almost surely, 242022122540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42022122540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64517376000).

42022122540 is an abundant number, since it is smaller than the sum of its proper divisors (87012629460).

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

42022122540 is a wasteful number, since it uses less digits than its factorization.

42022122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080 (or 11078 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 42022122540 its reverse (4522122024), we get a palindrome (46544244564).

The spelling of 42022122540 in words is "forty-two billion, twenty-two million, one hundred twenty-two thousand, five hundred forty".