Base | Representation |
---|---|
bin | 11010110111110111… |
… | …011101100110100001 |
3 | 2202110220222012120102 |
4 | 122313313131212201 |
5 | 433043232322343 |
6 | 21131113352145 |
7 | 2041020553625 |
oct | 326767354641 |
9 | 82426865512 |
10 | 28854573473 |
11 | 11267722140 |
12 | 5713408655 |
13 | 294ac9a91b |
14 | 157a283185 |
15 | b3d2bd3b8 |
hex | 6b7ddd9a1 |
28854573473 has 8 divisors (see below), whose sum is σ = 31651628736. Its totient is φ = 26086503600.
The previous prime is 28854573457. The next prime is 28854573481. The reversal of 28854573473 is 37437545882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28854573473 - 24 = 28854573457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28854573673) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7244261 + ... + 7248242.
It is an arithmetic number, because the mean of its divisors is an integer number (3956453592).
Almost surely, 228854573473 is an apocalyptic number.
It is an amenable number.
28854573473 is a deficient number, since it is larger than the sum of its proper divisors (2797055263).
28854573473 is a wasteful number, since it uses less digits than its factorization.
28854573473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14492695.
The product of its digits is 22579200, while the sum is 56.
The spelling of 28854573473 in words is "twenty-eight billion, eight hundred fifty-four million, five hundred seventy-three thousand, four hundred seventy-three".
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