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5172238038240 = 25325713195120231
BaseRepresentation
bin100101101000100000101…
…1010010011010011100000
3200022110110011101000211200
41023101001122103103200
51134220220414210430
615000032055241200
71042452610634130
oct113210132232340
920273404330750
105172238038240
111714596594a09
126b64b8079200
132b69808aa620
1413c4a275cac0
158e81d79e460
hex4b4416934e0

5172238038240 has 576 divisors, whose sum is σ = 21735608573952. Its totient is φ = 1090672128000.

The previous prime is 5172238038221. The next prime is 5172238038277. The reversal of 5172238038240 is 428308322715.

5172238038240 is a `hidden beast` number, since 5 + 1 + 7 + 22 + 380 + 3 + 8 + 240 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 255648925 + ... + 255669155.

It is an arithmetic number, because the mean of its divisors is an integer number (37735431552).

Almost surely, 25172238038240 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 5172238038240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10867804286976).

5172238038240 is an abundant number, since it is smaller than the sum of its proper divisors (16563370535712).

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

5172238038240 is a wasteful number, since it uses less digits than its factorization.

5172238038240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22223 (or 22212 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 5172238038240 in words is "five trillion, one hundred seventy-two billion, two hundred thirty-eight million, thirty-eight thousand, two hundred forty".