Base | Representation |
---|---|
bin | 11010101110010010… |
… | …010100100100001000 |
3 | 2202001201112012200201 |
4 | 122232102110210020 |
5 | 432231110422214 |
6 | 21103132341544 |
7 | 2034026430400 |
oct | 325622244410 |
9 | 82051465621 |
10 | 28693842184 |
11 | 11194a20367 |
12 | 56896148b4 |
13 | 29238b2357 |
14 | 1562ba3800 |
15 | b2e11e274 |
hex | 6ae494908 |
28693842184 has 48 divisors (see below), whose sum is σ = 62748518400. Its totient is φ = 12265188768.
The previous prime is 28693842131. The next prime is 28693842187. The reversal of 28693842184 is 48124839682.
It is not an unprimeable number, because it can be changed into a prime (28693842187) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54577 + ... + 245695.
It is an arithmetic number, because the mean of its divisors is an integer number (1307260800).
Almost surely, 228693842184 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28693842184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31374259200).
28693842184 is an abundant number, since it is smaller than the sum of its proper divisors (34054676216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28693842184 is a wasteful number, since it uses less digits than its factorization.
28693842184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191522 (or 191511 counting only the distinct ones).
The product of its digits is 5308416, while the sum is 55.
The spelling of 28693842184 in words is "twenty-eight billion, six hundred ninety-three million, eight hundred forty-two thousand, one hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.023 sec. • engine limits •