Base | Representation |
---|---|
bin | 100010100011111110… |
… | …0001011000000010000 |
3 | 21002120121122210010201 |
4 | 1011013330023000100 |
5 | 2204001134300310 |
6 | 54032530104544 |
7 | 5235163330342 |
oct | 1050774130020 |
9 | 232517583121 |
10 | 74221400080 |
11 | 29528055473 |
12 | 1247471b154 |
13 | 6ccaba6b19 |
14 | 384151d292 |
15 | 1de601ae3a |
hex | 1147f0b010 |
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".
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