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38396427888 = 243713312331217
BaseRepresentation
bin100011110000100110…
…101111111001110000
310200002220122122002210
4203300212233321300
51112113441143023
625350012412120
72526333152310
oct436046577160
9120086578083
1038396427888
1115313867635
127536a77040
13380ba98920
141c03627440
15eead2e593
hex8f09afe70

38396427888 has 320 divisors, whose sum is σ = 126663892992. Its totient is φ = 9749790720.

The previous prime is 38396427877. The next prime is 38396427917. The reversal of 38396427888 is 88872469383.

Its product of digits (111476736) is a multiple of the sum of its prime factors (1512).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31549456 + ... + 31550672.

Almost surely, 238396427888 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 38396427888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63331946496).

38396427888 is an abundant number, since it is smaller than the sum of its proper divisors (88267465104).

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

38396427888 is a wasteful number, since it uses less digits than its factorization.

38396427888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1506 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 66.

The spelling of 38396427888 in words is "thirty-eight billion, three hundred ninety-six million, four hundred twenty-seven thousand, eight hundred eighty-eight".