Base | Representation |
---|---|
bin | 11010111111010111… |
… | …101101010111100000 |
3 | 2202210200212021020212 |
4 | 122333113231113200 |
5 | 433322444422133 |
6 | 21151411553252 |
7 | 2044106622632 |
oct | 327727552740 |
9 | 82720767225 |
10 | 28980467168 |
11 | 11321799a14 |
12 | 57495bb828 |
13 | 296b0a9333 |
14 | 158cc94a52 |
15 | b4938a148 |
hex | 6bf5ed5e0 |
28980467168 has 12 divisors (see below), whose sum is σ = 57055294800. Its totient is φ = 14490233568.
The previous prime is 28980467167. The next prime is 28980467189. The reversal of 28980467168 is 86176408982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28980467167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452819768 + ... + 452819831.
It is an arithmetic number, because the mean of its divisors is an integer number (4754607900).
Almost surely, 228980467168 is an apocalyptic number.
It is an amenable number.
28980467168 is a deficient number, since it is larger than the sum of its proper divisors (28074827632).
28980467168 is an equidigital number, since it uses as much as digits as its factorization.
28980467168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 905639609 (or 905639601 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 59.
The spelling of 28980467168 in words is "twenty-eight billion, nine hundred eighty million, four hundred sixty-seven thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.308 sec. • engine limits •