Base | Representation |
---|---|
bin | 11010010100111111… |
… | …100010100010100110 |
3 | 2200222011000210120222 |
4 | 122110333202202212 |
5 | 430343442111134 |
6 | 20553053124342 |
7 | 2020354454135 |
oct | 322477424246 |
9 | 80864023528 |
10 | 28269488294 |
11 | 10a97430a73 |
12 | 558b4896b2 |
13 | 28869c4988 |
14 | 152269d91c |
15 | b06c49a2e |
hex | 694fe28a6 |
28269488294 has 4 divisors (see below), whose sum is σ = 42404232444. Its totient is φ = 14134744146.
The previous prime is 28269488281. The next prime is 28269488311. The reversal of 28269488294 is 49288496282.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49288496282 = 2 ⋅24644248141.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7067372072 + ... + 7067372075.
It is an arithmetic number, because the mean of its divisors is an integer number (10601058111).
Almost surely, 228269488294 is an apocalyptic number.
28269488294 is a deficient number, since it is larger than the sum of its proper divisors (14134744150).
28269488294 is a wasteful number, since it uses less digits than its factorization.
28269488294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14134744149.
The product of its digits is 31850496, while the sum is 62.
The spelling of 28269488294 in words is "twenty-eight billion, two hundred sixty-nine million, four hundred eighty-eight thousand, two hundred ninety-four".
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