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38430427791168 = 2632719701715621
BaseRepresentation
bin10001011110011110001111…
…11111110011111101000000
312001001220122120220110212200
420233033013333303331000
520014121004003304133
6213422410024353200
711044335553306050
oct1057170777637500
9161056576813780
1038430427791168
1111277286677536
1243880a8615800
131859c875588aa
1496c084d93560
154699e4ab4913
hex22f3c7ff3f40

38430427791168 has 336 divisors, whose sum is σ = 132705172679040. Its totient is φ = 10387367424000.

The previous prime is 38430427791121. The next prime is 38430427791169. The reversal of 38430427791168 is 86119772403483.

38430427791168 is a `hidden beast` number, since 3 + 8 + 43 + 0 + 427 + 7 + 9 + 1 + 168 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38430427791169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53344398 + ... + 54060018.

Almost surely, 238430427791168 is an apocalyptic number.

38430427791168 is a gapful number since it is divisible by the number (38) 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 38430427791168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66352586339520).

38430427791168 is an abundant number, since it is smaller than the sum of its proper divisors (94274744887872).

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

38430427791168 is a wasteful number, since it uses less digits than its factorization.

38430427791168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716366 (or 716353 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 38430427791168 in words is "thirty-eight trillion, four hundred thirty billion, four hundred twenty-seven million, seven hundred ninety-one thousand, one hundred sixty-eight".