Base | Representation |
---|---|
bin | 10011111001011110000001… |
… | …111001000001111100101000 |
3 | 102110212002010100120020122011 |
4 | 103321132001321001330220 |
5 | 42432244324243221143 |
6 | 510042304322005304 |
7 | 24301354233331546 |
oct | 2371360171017450 |
9 | 373762110506564 |
10 | 87512137867048 |
11 | 2597a764431064 |
12 | 9994531aa6834 |
13 | 39aa4891b165b |
14 | 1787878078d96 |
15 | a1b5d1670e9d |
hex | 4f9781e41f28 |
87512137867048 has 16 divisors (see below), whose sum is σ = 164090921148000. Its totient is φ = 43754558894256.
The previous prime is 87512137867013. The next prime is 87512137867067. The reversal of 87512137867048 is 84076873121578.
It is a super-2 number, since 2×875121378670482 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188508588 + ... + 188972251.
It is an arithmetic number, because the mean of its divisors is an integer number (10255682571750).
Almost surely, 287512137867048 is an apocalyptic number.
It is an amenable number.
87512137867048 is a deficient number, since it is larger than the sum of its proper divisors (76578783280952).
87512137867048 is a wasteful number, since it uses less digits than its factorization.
87512137867048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377509824 (or 377509820 counting only the distinct ones).
The product of its (nonzero) digits is 126443520, while the sum is 67.
The spelling of 87512137867048 in words is "eighty-seven trillion, five hundred twelve billion, one hundred thirty-seven million, eight hundred sixty-seven thousand, forty-eight".
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