Base | Representation |
---|---|
bin | 10011110010110001010101… |
… | …000101110000100000000010 |
3 | 102102020001222100011221222001 |
4 | 103302301111011300200002 |
5 | 42402224114112244231 |
6 | 505051020045534214 |
7 | 24223200240241312 |
oct | 2362612505604002 |
9 | 372201870157861 |
10 | 87051824728066 |
11 | 25812520693760 |
12 | 991b287b7436a |
13 | 3975c4b297ac3 |
14 | 176d48b9cd442 |
15 | a0e63ecbcb61 |
hex | 4f2c55170802 |
87051824728066 has 16 divisors (see below), whose sum is σ = 142449796516608. Its totient is φ = 39568634558800.
The previous prime is 87051824728051. The next prime is 87051824728093. The reversal of 87051824728066 is 66082742815078.
It is a super-3 number, since 3×870518247280663 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 87051824727989 and 87051824728007.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16463890 + ... + 21098893.
It is an arithmetic number, because the mean of its divisors is an integer number (8903112282288).
Almost surely, 287051824728066 is an apocalyptic number.
87051824728066 is a deficient number, since it is larger than the sum of its proper divisors (55397971788542).
87051824728066 is a wasteful number, since it uses less digits than its factorization.
87051824728066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37668137.
The product of its (nonzero) digits is 72253440, while the sum is 64.
The spelling of 87051824728066 in words is "eighty-seven trillion, fifty-one billion, eight hundred twenty-four million, seven hundred twenty-eight thousand, sixty-six".
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