Base | Representation |
---|---|
bin | 1100111000101110011011… |
… | …11001110100011101100001 |
3 | 10201100000122220102102211221 |
4 | 12130113031321310131201 |
5 | 12203234400024104311 |
6 | 140134000043335041 |
7 | 5653210020345133 |
oct | 634271571643541 |
9 | 121300586372757 |
10 | 28337353738081 |
11 | 9035893482893 |
12 | 3217b76521481 |
13 | 12a727c76929b |
14 | 6dd76c9a5053 |
15 | 3421bd9c4671 |
hex | 19c5cde74761 |
28337353738081 has 8 divisors (see below), whose sum is σ = 29000841835680. Its totient is φ = 27674069271072.
The previous prime is 28337353738079. The next prime is 28337353738159. The reversal of 28337353738081 is 18083735373382.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28337353738081 - 21 = 28337353738079 is a prime.
It is a super-2 number, since 2×283373537380812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28337353738181) 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, 50626051 + ... + 51182728.
It is an arithmetic number, because the mean of its divisors is an integer number (3625105229460).
Almost surely, 228337353738081 is an apocalyptic number.
It is an amenable number.
28337353738081 is a deficient number, since it is larger than the sum of its proper divisors (663488097599).
28337353738081 is a wasteful number, since it uses less digits than its factorization.
28337353738081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101815295.
The product of its (nonzero) digits is 60963840, while the sum is 61.
The spelling of 28337353738081 in words is "twenty-eight trillion, three hundred thirty-seven billion, three hundred fifty-three million, seven hundred thirty-eight thousand, eighty-one".
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