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73011881088 = 27362926981
BaseRepresentation
bin100001111111111011…
…0001110010010000000
320222110022201212000000
41003333312032102000
52144012020143323
653312522000000
75163205515036
oct1037766162200
9228408655000
1073011881088
1128a673379a3
1212197646000
136b6742ba03
143768a32556
151d74c4ee43
hex10ffd8e480

73011881088 has 224 divisors, whose sum is σ = 225608643900. Its totient is φ = 23497205760.

The previous prime is 73011881051. The next prime is 73011881093. The reversal of 73011881088 is 88018811037.

It can be written as a sum of positive squares in 2 ways, for example, as 69784732224 + 3227148864 = 264168^2 + 56808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2692558 + ... + 2719538.

Almost surely, 273011881088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73011881088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112804321950).

73011881088 is an abundant number, since it is smaller than the sum of its proper divisors (152596762812).

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

73011881088 is an equidigital number, since it uses as much as digits as its factorization.

73011881088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27042 (or 27015 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 45.

The spelling of 73011881088 in words is "seventy-three billion, eleven million, eight hundred eighty-one thousand, eighty-eight".