Base | Representation |
---|---|
bin | 11101000111001001001111… |
… | …001000110101000010111011 |
3 | 121210022221220200221122110102 |
4 | 131013021033020311002323 |
5 | 113240203223004331001 |
6 | 1132150051405110015 |
7 | 35653113244232630 |
oct | 3507111710650273 |
9 | 553287820848412 |
10 | 128034302808251 |
11 | 378830520a6a54 |
12 | 12439aa4b5830b |
13 | 56597769796b8 |
14 | 2388c713b2187 |
15 | ec06ecd30e6b |
hex | 74724f2350bb |
128034302808251 has 16 divisors (see below), whose sum is σ = 147217344126720. Its totient is φ = 109075775770080.
The previous prime is 128034302808193. The next prime is 128034302808253. The reversal of 128034302808251 is 152808203430821.
It is not a de Polignac number, because 128034302808251 - 214 = 128034302791867 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 128034302808196 and 128034302808205.
It is not an unprimeable number, because it can be changed into a prime (128034302808253) 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, 57558956 + ... + 59741961.
It is an arithmetic number, because the mean of its divisors is an integer number (9201084007920).
Almost surely, 2128034302808251 is an apocalyptic number.
128034302808251 is a deficient number, since it is larger than the sum of its proper divisors (19183041318469).
128034302808251 is a wasteful number, since it uses less digits than its factorization.
128034302808251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117301874.
The product of its (nonzero) digits is 737280, while the sum is 47.
The spelling of 128034302808251 in words is "one hundred twenty-eight trillion, thirty-four billion, three hundred two million, eight hundred eight thousand, two hundred fifty-one".
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