Base | Representation |
---|---|
bin | 1111101001101010… |
… | …00111000101010010 |
3 | 210200120211210010121 |
4 | 13310311013011102 |
5 | 114202021440032 |
6 | 3505435220454 |
7 | 415136221612 |
oct | 76465070522 |
9 | 23616753117 |
10 | 8402530642 |
11 | 3622011700 |
12 | 1765ba772a |
13 | a3ba5c52c |
14 | 599d2aa42 |
15 | 342a0da97 |
hex | 1f4d47152 |
8402530642 has 48 divisors (see below), whose sum is σ = 14315507136. Its totient is φ = 3694090400.
The previous prime is 8402530597. The next prime is 8402530667. The reversal of 8402530642 is 2460352048.
It is a junction number, because it is equal to n+sod(n) for n = 8402530598 and 8402530607.
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 23 ways as a sum of consecutive naturals, for example, 906033 + ... + 915259.
It is an arithmetic number, because the mean of its divisors is an integer number (298239732).
Almost surely, 28402530642 is an apocalyptic number.
8402530642 is a deficient number, since it is larger than the sum of its proper divisors (5912976494).
8402530642 is a wasteful number, since it uses less digits than its factorization.
8402530642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9375 (or 9364 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 34.
The square root of 8402530642 is about 91665.3186434215. The cubic root of 8402530642 is about 2032.9968308561.
The spelling of 8402530642 in words is "eight billion, four hundred two million, five hundred thirty thousand, six hundred forty-two".
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