Base | Representation |
---|---|
bin | 101000100101010001… |
… | …1011000110000001000 |
3 | 22022221122100122002222 |
4 | 1101022203120300020 |
5 | 2411440413330303 |
6 | 104011453513212 |
7 | 6203442636053 |
oct | 1211243306010 |
9 | 268848318088 |
10 | 87150136328 |
11 | 33a61a86362 |
12 | 14a824a2808 |
13 | 82ab586a08 |
14 | 430a617a9a |
15 | 2401092938 |
hex | 144a8d8c08 |
87150136328 has 8 divisors (see below), whose sum is σ = 163406505630. Its totient is φ = 43575068160.
The previous prime is 87150136327. The next prime is 87150136331. The reversal of 87150136328 is 82363105178.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 83000457604 + 4149678724 = 288098^2 + 64418^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (87150136327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5446883513 + ... + 5446883528.
Almost surely, 287150136328 is an apocalyptic number.
It is an amenable number.
87150136328 is a deficient number, since it is larger than the sum of its proper divisors (76256369302).
87150136328 is a wasteful number, since it uses less digits than its factorization.
87150136328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10893767047 (or 10893767043 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 87150136328 in words is "eighty-seven billion, one hundred fifty million, one hundred thirty-six thousand, three hundred twenty-eight".
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