Base | Representation |
---|---|
bin | 11010111100001100… |
… | …010101101011011100 |
3 | 2202122222112201120201 |
4 | 122330030111223130 |
5 | 433220322424113 |
6 | 21142225153244 |
7 | 2042561521411 |
oct | 327414255334 |
9 | 82588481521 |
10 | 28927154908 |
11 | 112a46966a3 |
12 | 573378b824 |
13 | 2960031412 |
14 | 1585b78108 |
15 | b44858cdd |
hex | 6bc315adc |
28927154908 has 18 divisors (see below), whose sum is σ = 51325517544. Its totient is φ = 14265435744.
The previous prime is 28927154887. The next prime is 28927154909. The reversal of 28927154908 is 80945172982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28927154909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657216 + ... + 699847.
Almost surely, 228927154908 is an apocalyptic number.
It is an amenable number.
28927154908 is a deficient number, since it is larger than the sum of its proper divisors (22398362636).
28927154908 is a wasteful number, since it uses less digits than its factorization.
28927154908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357213 (or 1357138 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 55.
The spelling of 28927154908 in words is "twenty-eight billion, nine hundred twenty-seven million, one hundred fifty-four thousand, nine hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •