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80473497600 = 213352227577
BaseRepresentation
bin100101011110010011…
…0000010000000000000
321200201100002020121010
41022330212002000000
52304302203410400
6100545150200520
75546131305036
oct1127446020000
9250640066533
1080473497600
1131146211911
121371a4b3140
13778626ac02
143c759d2556
15215ed4e450
hex12bc982000

80473497600 has 336 divisors, whose sum is σ = 267718141728. Its totient is φ = 21328035840.

The previous prime is 80473497581. The next prime is 80473497647. The reversal of 80473497600 is 679437408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 80473497600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139468512 + ... + 139469088.

Almost surely, 280473497600 is an apocalyptic number.

80473497600 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 80473497600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133859070864).

80473497600 is an abundant number, since it is smaller than the sum of its proper divisors (187244644128).

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

80473497600 is a wasteful number, since it uses less digits than its factorization.

80473497600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 80473497600 in words is "eighty billion, four hundred seventy-three million, four hundred ninety-seven thousand, six hundred".