Base | Representation |
---|---|
bin | 101000100010000010… |
… | …1100111100111100101 |
3 | 22022200002020221201221 |
4 | 1101010011213213211 |
5 | 2411230131411410 |
6 | 103553021020341 |
7 | 6200654661412 |
oct | 1210405474745 |
9 | 268602227657 |
10 | 87041669605 |
11 | 33a06831740 |
12 | 14a520b46b1 |
13 | 8291c6a517 |
14 | 42da061109 |
15 | 23e67b94da |
hex | 14441679e5 |
87041669605 has 8 divisors (see below), whose sum is σ = 113945458464. Its totient is φ = 63303032400.
The previous prime is 87041669537. The next prime is 87041669629. The reversal of 87041669605 is 50696614078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87041669605 - 221 = 87039572453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791287851 + ... + 791287960.
It is an arithmetic number, because the mean of its divisors is an integer number (14243182308).
Almost surely, 287041669605 is an apocalyptic number.
It is an amenable number.
87041669605 is a deficient number, since it is larger than the sum of its proper divisors (26903788859).
87041669605 is a wasteful number, since it uses less digits than its factorization.
87041669605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1582575827.
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 87041669605 in words is "eighty-seven billion, forty-one million, six hundred sixty-nine thousand, six hundred five".
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