Base | Representation |
---|---|
bin | 11010111101111001… |
… | …001011000110110101 |
3 | 2202201222020012220221 |
4 | 122331321023012311 |
5 | 433300123412201 |
6 | 21145124454341 |
7 | 2043356156404 |
oct | 327571130665 |
9 | 82658205827 |
10 | 28955685301 |
11 | 11309802a34 |
12 | 574124a3b1 |
13 | 2965c104ca |
14 | 158988363b |
15 | b470e24a1 |
hex | 6bde4b1b5 |
28955685301 has 8 divisors (see below), whose sum is σ = 29296495800. Its totient is φ = 28616241600.
The previous prime is 28955685289. The next prime is 28955685323. The reversal of 28955685301 is 10358655982.
It can be written as a sum of positive squares in 4 ways, for example, as 12513778225 + 16441907076 = 111865^2 + 128226^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28955685301 - 29 = 28955684789 is a prime.
It is a super-2 number, since 2×289556853012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28955685901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299050 + ... + 383851.
It is an arithmetic number, because the mean of its divisors is an integer number (3662061975).
Almost surely, 228955685301 is an apocalyptic number.
It is an amenable number.
28955685301 is a deficient number, since it is larger than the sum of its proper divisors (340810499).
28955685301 is a wasteful number, since it uses less digits than its factorization.
28955685301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683399.
The product of its (nonzero) digits is 2592000, while the sum is 52.
The spelling of 28955685301 in words is "twenty-eight billion, nine hundred fifty-five million, six hundred eighty-five thousand, three hundred one".
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