Base | Representation |
---|---|
bin | 11010101111100000… |
… | …010100011001100111 |
3 | 2202010011000000002200 |
4 | 122233200110121213 |
5 | 432301324214433 |
6 | 21105142505543 |
7 | 2034365266350 |
oct | 325740243147 |
9 | 82104000080 |
10 | 28714288743 |
11 | 111a5516148 |
12 | 56944352b3 |
13 | 2927bc0aca |
14 | 15657a6d27 |
15 | b30d0c613 |
hex | 6af814667 |
28714288743 has 24 divisors (see below), whose sum is σ = 47445086208. Its totient is φ = 16393030992.
The previous prime is 28714288693. The next prime is 28714288777. The reversal of 28714288743 is 34788241782.
28714288743 is a `hidden beast` number, since 287 + 14 + 288 + 74 + 3 = 666.
It is not a de Polignac number, because 28714288743 - 26 = 28714288679 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28714288743.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28714288943) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141171 + ... + 278132.
It is an arithmetic number, because the mean of its divisors is an integer number (1976878592).
Almost surely, 228714288743 is an apocalyptic number.
28714288743 is a deficient number, since it is larger than the sum of its proper divisors (18730797465).
28714288743 is a wasteful number, since it uses less digits than its factorization.
28714288743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420403 (or 420400 counting only the distinct ones).
The product of its digits is 4816896, while the sum is 54.
The spelling of 28714288743 in words is "twenty-eight billion, seven hundred fourteen million, two hundred eighty-eight thousand, seven hundred forty-three".
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