Base | Representation |
---|---|
bin | 101000110000100111… |
… | …0111010011100100100 |
3 | 22100221011100111021021 |
4 | 1101201032322130210 |
5 | 2413230321122114 |
6 | 104113325300524 |
7 | 6216043131445 |
oct | 1214116723444 |
9 | 270834314237 |
10 | 87530645284 |
11 | 34137849375 |
12 | 14b69a04744 |
13 | 833c362744 |
14 | 4344d872cc |
15 | 24246a6024 |
hex | 14613ba724 |
87530645284 has 12 divisors (see below), whose sum is σ = 153189406384. Its totient is φ = 43762243464.
The previous prime is 87530645263. The next prime is 87530645291. The reversal of 87530645284 is 48254603578.
It is a super-2 number, since 2×875306452842 (a number of 23 digits) contains 22 as substring.
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, 705234 + ... + 820009.
Almost surely, 287530645284 is an apocalyptic number.
It is an amenable number.
87530645284 is a deficient number, since it is larger than the sum of its proper divisors (65658761100).
87530645284 is a wasteful number, since it uses less digits than its factorization.
87530645284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1539594 (or 1539592 counting only the distinct ones).
The product of its (nonzero) digits is 6451200, while the sum is 52.
The spelling of 87530645284 in words is "eighty-seven billion, five hundred thirty million, six hundred forty-five thousand, two hundred eighty-four".
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