Base | Representation |
---|---|
bin | 101000101010101000… |
… | …0010111011000111011 |
3 | 22100102011020101022122 |
4 | 1101111100113120323 |
5 | 2412322400340022 |
6 | 104041350311455 |
7 | 6211053124400 |
oct | 1212520273073 |
9 | 270364211278 |
10 | 87329699387 |
11 | 3404437a787 |
12 | 14b1265858b |
13 | 8309836a48 |
14 | 43263da2a7 |
15 | 2411c11742 |
hex | 145541763b |
87329699387 has 48 divisors (see below), whose sum is σ = 106059792384. Its totient is φ = 71618904000.
The previous prime is 87329699333. The next prime is 87329699393. The reversal of 87329699387 is 78399692378.
It is not a de Polignac number, because 87329699387 - 226 = 87262590523 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87329699387.
It is not an unprimeable number, because it can be changed into a prime (87329699287) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52512518 + ... + 52514180.
It is an arithmetic number, because the mean of its divisors is an integer number (2209579008).
Almost surely, 287329699387 is an apocalyptic number.
87329699387 is a deficient number, since it is larger than the sum of its proper divisors (18730092997).
87329699387 is a wasteful number, since it uses less digits than its factorization.
87329699387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2080 (or 2073 counting only the distinct ones).
The product of its digits is 246903552, while the sum is 71.
The spelling of 87329699387 in words is "eighty-seven billion, three hundred twenty-nine million, six hundred ninety-nine thousand, three hundred eighty-seven".
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