Base | Representation |
---|---|
bin | 101000101011101000… |
… | …1011011001101100000 |
3 | 22100111111220020102011 |
4 | 1101113101123031200 |
5 | 2412410031002431 |
6 | 104044555402304 |
7 | 6211643523544 |
oct | 1212721331540 |
9 | 270444806364 |
10 | 87363531616 |
11 | 340614883a9 |
12 | 14b21a53394 |
13 | 831385110a |
14 | 432aac5a24 |
15 | 2414b95cb1 |
hex | 145745b360 |
87363531616 has 24 divisors (see below), whose sum is σ = 174912159240. Its totient is φ = 42941395968.
The previous prime is 87363531589. The next prime is 87363531691. The reversal of 87363531616 is 61613536378.
It is a self number, because there is not a number n which added to its sum of digits gives 87363531616.
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 3 ways as a sum of consecutive naturals, for example, 23134641 + ... + 23138416.
It is an arithmetic number, because the mean of its divisors is an integer number (7288006635).
Almost surely, 287363531616 is an apocalyptic number.
It is an amenable number.
87363531616 is an abundant number, since it is smaller than the sum of its proper divisors (87548627624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87363531616 is a wasteful number, since it uses less digits than its factorization.
87363531616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46273126 (or 46273118 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 49.
The spelling of 87363531616 in words is "eighty-seven billion, three hundred sixty-three million, five hundred thirty-one thousand, six hundred sixteen".
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