Base | Representation |
---|---|
bin | 101000101010100011… |
… | …1011011111100010100 |
3 | 22100101222211110120000 |
4 | 1101111013123330110 |
5 | 2412321300434430 |
6 | 104041224211300 |
7 | 6211024205346 |
oct | 1212507337424 |
9 | 270358743500 |
10 | 87327358740 |
11 | 34043021166 |
12 | 14b11909b30 |
13 | 83091c754b |
14 | 4325d8b296 |
15 | 24118ece60 |
hex | 14551dbf14 |
87327358740 has 60 divisors (see below), whose sum is σ = 273949163796. Its totient is φ = 23287295232.
The previous prime is 87327358711. The next prime is 87327358777. The reversal of 87327358740 is 4785372378.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 50156289936 + 37171068804 = 223956^2 + 192798^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26951269 + ... + 26954508.
Almost surely, 287327358740 is an apocalyptic number.
It is an amenable number.
87327358740 is an abundant number, since it is smaller than the sum of its proper divisors (186621805056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87327358740 is a wasteful number, since it uses less digits than its factorization.
87327358740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53905798 (or 53905787 counting only the distinct ones).
The product of its (nonzero) digits is 7902720, while the sum is 54.
The spelling of 87327358740 in words is "eighty-seven billion, three hundred twenty-seven million, three hundred fifty-eight thousand, seven hundred forty".
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