Base | Representation |
---|---|
bin | 11010111011011111… |
… | …001000011110010110 |
3 | 2202122011020122122212 |
4 | 122323133020132112 |
5 | 433204304214332 |
6 | 21141123153422 |
7 | 2042356013561 |
oct | 327337103626 |
9 | 82564218585 |
10 | 28915304342 |
11 | 11298a32141 |
12 | 572b815872 |
13 | 295a742452 |
14 | 15843714d8 |
15 | b437b78b2 |
hex | 6bb7c8796 |
28915304342 has 16 divisors (see below), whose sum is σ = 43845192864. Its totient is φ = 14300520000.
The previous prime is 28915304339. The next prime is 28915304357. The reversal of 28915304342 is 24340351982.
It is a self number, because there is not a number n which added to its sum of digits gives 28915304342.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138842 + ... + 277682.
It is an arithmetic number, because the mean of its divisors is an integer number (2740324554).
Almost surely, 228915304342 is an apocalyptic number.
28915304342 is a deficient number, since it is larger than the sum of its proper divisors (14929888522).
28915304342 is a wasteful number, since it uses less digits than its factorization.
28915304342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139975.
The product of its (nonzero) digits is 207360, while the sum is 41.
The spelling of 28915304342 in words is "twenty-eight billion, nine hundred fifteen million, three hundred four thousand, three hundred forty-two".
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