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8745472000000 = 21556192931
BaseRepresentation
bin111111101000011011011…
…0000001000000000000000
31010222001120222110201221101
41333100312300020000000
52121241211313000000
630333340412104144
71561560643316311
oct177206660100000
933861528421841
108745472000000
112871a2aa4a51a
12b92b20a65054
134b59049a2778
142233d6b9a608
151027530e2e6a
hex7f436c08000

8745472000000 has 896 divisors, whose sum is σ = 24575310432000. Its totient is φ = 3096576000000.

The previous prime is 8745471999977. The next prime is 8745472000007. The reversal of 8745472000000 is 2745478.

It is not an unprimeable number, because it can be changed into a prime (8745472000007) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 282111999985 + ... + 282112000015.

Almost surely, 28745472000000 is an apocalyptic number.

8745472000000 is a gapful number since it is divisible by the number (80) 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 8745472000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12287655216000).

8745472000000 is an abundant number, since it is smaller than the sum of its proper divisors (15829838432000).

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

8745472000000 is an frugal number, since it uses more digits than its factorization.

8745472000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

Adding to 8745472000000 its reverse (2745478), we get a palindrome (8745474745478).

The spelling of 8745472000000 in words is "eight trillion, seven hundred forty-five billion, four hundred seventy-two million", and thus it is an aban number.