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42538169088 = 2833109131431
BaseRepresentation
bin100111100111011110…
…001111001100000000
311001210120001212221000
4213213132033030000
51144104232402323
631313004332000
73034064320452
oct474736171400
9131716055830
1042538169088
1117049762048
1282b1b44000
13401bb8706c
1420b77162d2
15118e751e43
hex9e778f300

42538169088 has 288 divisors, whose sum is σ = 128212761600. Its totient is φ = 13909708800.

The previous prime is 42538169087. The next prime is 42538169101. The reversal of 42538169088 is 88096183524.

42538169088 is a `hidden beast` number, since 4 + 2 + 538 + 16 + 90 + 8 + 8 = 666.

42538169088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (42538169083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98696233 + ... + 98696663.

It is an arithmetic number, because the mean of its divisors is an integer number (445183200).

Almost surely, 242538169088 is an apocalyptic number.

42538169088 is a gapful number since it is divisible by the number (48) 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 42538169088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64106380800).

42538169088 is an abundant number, since it is smaller than the sum of its proper divisors (85674592512).

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

42538169088 is a wasteful number, since it uses less digits than its factorization.

42538169088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 42538169088 in words is "forty-two billion, five hundred thirty-eight million, one hundred sixty-nine thousand, eighty-eight".