Base | Representation |
---|---|
bin | 101000110001111100… |
… | …1011001111111110101 |
3 | 22101001021110011111222 |
4 | 1101203321121333311 |
5 | 2413323241321442 |
6 | 104122003240125 |
7 | 6220125046016 |
oct | 1214371317765 |
9 | 271037404458 |
10 | 87575338997 |
11 | 3415aaa5423 |
12 | 14b80979045 |
13 | 83486b0823 |
14 | 434ac9d00d |
15 | 24285838d2 |
hex | 1463e59ff5 |
87575338997 has 16 divisors (see below), whose sum is σ = 89237376000. Its totient is φ = 85929486720.
The previous prime is 87575338943. The next prime is 87575339003. The reversal of 87575338997 is 79983357578.
It is a cyclic number.
It is not a de Polignac number, because 87575338997 - 26 = 87575338933 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87575338997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87575338597) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 18125372 + ... + 18130202.
It is an arithmetic number, because the mean of its divisors is an integer number (5577336000).
Almost surely, 287575338997 is an apocalyptic number.
It is an amenable number.
87575338997 is a deficient number, since it is larger than the sum of its proper divisors (1662037003).
87575338997 is a wasteful number, since it uses less digits than its factorization.
87575338997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6436.
The product of its digits is 400075200, while the sum is 71.
The spelling of 87575338997 in words is "eighty-seven billion, five hundred seventy-five million, three hundred thirty-eight thousand, nine hundred ninety-seven".
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