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80308800000 = 29335511132
BaseRepresentation
bin100101011001011000…
…1110000101000000000
321200021212011201222000
41022302301300220000
52303433023100000
6100520544144000
75542061352102
oct1126261605000
9250255151860
1080308800000
11310712510a0
1213693308000
13775b0c4200
143c5bb9d572
15215066a000
hex12b2c70a00

80308800000 has 1440 divisors, whose sum is σ = 350994409920. Its totient is φ = 17971200000.

The previous prime is 80308799999. The next prime is 80308800001. The reversal of 80308800000 is 880308.

It is an interprime number because it is at equal distance from previous prime (80308799999) and next prime (80308800001).

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80308800001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6177599994 + ... + 6177600006.

It is an arithmetic number, because the mean of its divisors is an integer number (243746118).

Almost surely, 280308800000 is an apocalyptic number.

80308800000 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 80308800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175497204960).

80308800000 is an abundant number, since it is smaller than the sum of its proper divisors (270685609920).

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

80308800000 is an equidigital number, since it uses as much as digits as its factorization.

80308800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 80308800000 in words is "eighty billion, three hundred eight million, eight hundred thousand".