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18272301120 = 2632561104009
BaseRepresentation
bin10001000001000111…
…010011000001000000
31202011102120001221100
4101001013103001000
5244410202113440
612221050454400
71214542665633
oct210107230100
952142501840
1018272301120
117827268307
12365b434400
1319527808c8
14c54a6dc1a
1571e245230
hex4411d3040

18272301120 has 168 divisors, whose sum is σ = 63880029720. Its totient is φ = 4792688640.

The previous prime is 18272301119. The next prime is 18272301127. The reversal of 18272301120 is 2110327281.

It can be written as a sum of positive squares in 4 ways, for example, as 1176215616 + 17096085504 = 34296^2 + 130752^2 .

It is not an unprimeable number, because it can be changed into a prime (18272301127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123676 + ... + 227684.

Almost surely, 218272301120 is an apocalyptic number.

18272301120 is a gapful number since it is divisible by the number (10) 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 18272301120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31940014860).

18272301120 is an abundant number, since it is smaller than the sum of its proper divisors (45607728600).

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

18272301120 is a wasteful number, since it uses less digits than its factorization.

18272301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104093 (or 104080 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 18272301120 in words is "eighteen billion, two hundred seventy-two million, three hundred one thousand, one hundred twenty".