Base | Representation |
---|---|
bin | 11010110111110101… |
… | …100110110110010111 |
3 | 2202110220001111100020 |
4 | 122313311212312113 |
5 | 433043121241223 |
6 | 21131055120223 |
7 | 2041013456544 |
oct | 326765466627 |
9 | 82426044306 |
10 | 28854087063 |
11 | 1126741a74a |
12 | 5713213073 |
13 | 294ab5a3c9 |
14 | 157a197bcb |
15 | b3d2241e3 |
hex | 6b7d66d97 |
28854087063 has 16 divisors (see below), whose sum is σ = 40784497920. Its totient is φ = 18082606976.
The previous prime is 28854087037. The next prime is 28854087077. The reversal of 28854087063 is 36078045882.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 28854087063 - 228 = 28585651607 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 28854086997 and 28854087015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28854087023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299883 + ... + 384236.
It is an arithmetic number, because the mean of its divisors is an integer number (2549031120).
Almost surely, 228854087063 is an apocalyptic number.
28854087063 is a deficient number, since it is larger than the sum of its proper divisors (11930410857).
28854087063 is a wasteful number, since it uses less digits than its factorization.
28854087063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 684966.
The product of its (nonzero) digits is 2580480, while the sum is 51.
The spelling of 28854087063 in words is "twenty-eight billion, eight hundred fifty-four million, eighty-seven thousand, sixty-three".
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