Base | Representation |
---|---|
bin | 11010001010000001… |
… | …101000101010101101 |
3 | 2200111022210122001102 |
4 | 122022001220222231 |
5 | 430004341111201 |
6 | 20522521252445 |
7 | 2012661466043 |
oct | 321201505255 |
9 | 80438718042 |
10 | 28085488301 |
11 | 10a02587062 |
12 | 5539934125 |
13 | 2857850240 |
14 | 1506084393 |
15 | ae5a0126b |
hex | 68a068aad |
28085488301 has 16 divisors (see below), whose sum is σ = 32078363520. Its totient is φ = 24391350720.
The previous prime is 28085488297. The next prime is 28085488303. The reversal of 28085488301 is 10388458082.
It is a cyclic number.
It is not a de Polignac number, because 28085488301 - 22 = 28085488297 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28085488303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751691 + ... + 788168.
It is an arithmetic number, because the mean of its divisors is an integer number (2004897720).
Almost surely, 228085488301 is an apocalyptic number.
It is an amenable number.
28085488301 is a deficient number, since it is larger than the sum of its proper divisors (3992875219).
28085488301 is a wasteful number, since it uses less digits than its factorization.
28085488301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1539956.
The product of its (nonzero) digits is 491520, while the sum is 47.
The spelling of 28085488301 in words is "twenty-eight billion, eighty-five million, four hundred eighty-eight thousand, three hundred one".
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