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80469196800 = 215352137239
BaseRepresentation
bin100101011110001010…
…1101000000000000000
321200201000222202000020
41022330111220000000
52304300103244200
6100544514053440
75546046613206
oct1127425500000
9250630882006
1080469196800
1131143844633
1213718b7a280
1377853c3465
143c751d3076
15215e79eea0
hex12bc568000

80469196800 has 384 divisors, whose sum is σ = 269144380800. Its totient is φ = 21212692480.

The previous prime is 80469196693. The next prime is 80469196867. The reversal of 80469196800 is 869196408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336691081 + ... + 336691319.

It is an arithmetic number, because the mean of its divisors is an integer number (700896825).

Almost surely, 280469196800 is an apocalyptic number.

80469196800 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 80469196800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134572190400).

80469196800 is an abundant number, since it is smaller than the sum of its proper divisors (188675184000).

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

80469196800 is a wasteful number, since it uses less digits than its factorization.

80469196800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 80469196800 in words is "eighty billion, four hundred sixty-nine million, one hundred ninety-six thousand, eight hundred".