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74221400080 = 245927767501
BaseRepresentation
bin100010100011111110…
…0001011000000010000
321002120121122210010201
41011013330023000100
52204001134300310
654032530104544
75235163330342
oct1050774130020
9232517583121
1074221400080
1129528055473
121247471b154
136ccaba6b19
14384151d292
151de601ae3a
hex1147f0b010

74221400080 has 20 divisors (see below), whose sum is σ = 172564755372. Its totient is φ = 29688560000.

The previous prime is 74221400059. The next prime is 74221400111. The reversal of 74221400080 is 8000412247.

It can be written as a sum of positive squares in 2 ways, for example, as 57969229824 + 16252170256 = 240768^2 + 127484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463883671 + ... + 463883830.

Almost surely, 274221400080 is an apocalyptic number.

It is an amenable number.

74221400080 is an abundant number, since it is smaller than the sum of its proper divisors (98343355292).

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

74221400080 is a wasteful number, since it uses less digits than its factorization.

74221400080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927767514 (or 927767508 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 74221400080 in words is "seventy-four billion, two hundred twenty-one million, four hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 927767501 1855535002 3711070004 4638837505 7422140008 9277675010 14844280016 18555350020 37110700040 74221400080