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80088800000 = 28551119479
BaseRepresentation
bin100101010010110101…
…0100001101100000000
321122201112012120200212
41022211222201230000
52303010213100000
6100443044533252
75533450365506
oct1124552415400
9248645176625
1080088800000
1130a69048910
12136316b1228
1377246567b1
143c3a892676
15213b1aec35
hex12a5aa1b00

80088800000 has 432 divisors, whose sum is σ = 229935283200. Its totient is φ = 27532800000.

The previous prime is 80088799991. The next prime is 80088800009. The reversal of 80088800000 is 888008.

It is an interprime number because it is at equal distance from previous prime (80088799991) and next prime (80088800009).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 80088800000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80088800009) 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, 167199761 + ... + 167200239.

It is an arithmetic number, because the mean of its divisors is an integer number (532257600).

Almost surely, 280088800000 is an apocalyptic number.

80088800000 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 80088800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114967641600).

80088800000 is an abundant number, since it is smaller than the sum of its proper divisors (149846483200).

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

80088800000 is an equidigital number, since it uses as much as digits as its factorization.

80088800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

It can be divided in two parts, 80088 and 800000, that added together give a palindrome (880088).

The spelling of 80088800000 in words is "eighty billion, eighty-eight million, eight hundred thousand".