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80218996704 = 2536711173771
BaseRepresentation
bin100101010110101101…
…1001011111111100000
321200001121012021000000
41022231123023333200
52303242030343304
6100504015300000
75536621135650
oct1125533137740
9250047167000
1080218996704
11310255945a0
121366921a600
137745610972
143c4dca4360
15214782b939
hex12ad6cbfe0

80218996704 has 1344 divisors, whose sum is σ = 325552131072. Its totient is φ = 18811699200.

The previous prime is 80218996699. The next prime is 80218996751. The reversal of 80218996704 is 40769981208.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1129844989 + ... + 1129845059.

It is an arithmetic number, because the mean of its divisors is an integer number (242226288).

Almost surely, 280218996704 is an apocalyptic number.

80218996704 is a gapful number since it is divisible by the number (84) 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 80218996704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162776065536).

80218996704 is an abundant number, since it is smaller than the sum of its proper divisors (245333134368).

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

80218996704 is a wasteful number, since it uses less digits than its factorization.

80218996704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 80218996704 in words is "eighty billion, two hundred eighteen million, nine hundred ninety-six thousand, seven hundred four".