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80200581120 = 2143251122931
BaseRepresentation
bin100101010110001010…
…0111100000000000000
321200000022112122120100
41022230110330000000
52303222322043440
6100502120442400
75536305456132
oct1125424740000
9250008478510
1080200581120
1131016156700
1213663019400
13774186377a
143c4b66d052
152145de0230
hex12ac53c000

80200581120 has 1080 divisors, whose sum is σ = 326327863680. Its totient is φ = 18166579200.

The previous prime is 80200581113. The next prime is 80200581163. The reversal of 80200581120 is 2118500208.

80200581120 is a `hidden beast` number, since 80 + 2 + 0 + 0 + 581 + 1 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2587115505 + ... + 2587115535.

Almost surely, 280200581120 is an apocalyptic number.

80200581120 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 80200581120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163163931840).

80200581120 is an abundant number, since it is smaller than the sum of its proper divisors (246127282560).

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

80200581120 is a wasteful number, since it uses less digits than its factorization.

80200581120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The spelling of 80200581120 in words is "eighty billion, two hundred million, five hundred eighty-one thousand, one hundred twenty".