Base | Representation |
---|---|
bin | 1100111001001001011101… |
… | …11010011111101100011110 |
3 | 10201101102010022012020122000 |
4 | 12130210232322133230132 |
5 | 12204004110222111011 |
6 | 140144400104103130 |
7 | 5654232450322146 |
oct | 634445672375436 |
9 | 121342108166560 |
10 | 28351866207006 |
11 | 9040a60384561 |
12 | 321a946764aa6 |
13 | 12a87532a77c4 |
14 | 70034815b926 |
15 | 34276cad5356 |
hex | 19c92ee9fb1e |
28351866207006 has 32 divisors (see below), whose sum is σ = 63763233246720. Its totient is φ = 9336759151032.
The previous prime is 28351866206981. The next prime is 28351866207011. The reversal of 28351866207006 is 60070266815382.
28351866207006 is a `hidden beast` number, since 2 + 8 + 3 + 5 + 1 + 8 + 6 + 620 + 7 + 0 + 0 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162854310 + ... + 3162863273.
It is an arithmetic number, because the mean of its divisors is an integer number (1992601038960).
Almost surely, 228351866207006 is an apocalyptic number.
28351866207006 is an abundant number, since it is smaller than the sum of its proper divisors (35411367039714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28351866207006 is a wasteful number, since it uses less digits than its factorization.
28351866207006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6325717677 (or 6325717671 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 28351866207006 in words is "twenty-eight trillion, three hundred fifty-one billion, eight hundred sixty-six million, two hundred seven thousand, six".
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