Base | Representation |
---|---|
bin | 1001001001110000000100… |
… | …10110001101110010111101 |
3 | 2122021001101101122022020201 |
4 | 10210320002112031302331 |
5 | 10114222033032032130 |
6 | 110445512513043501 |
7 | 4145034250264036 |
oct | 444700226156275 |
9 | 78231341568221 |
10 | 20126256127165 |
11 | 645a551991091 |
12 | 231072a556591 |
13 | b2cb896433a6 |
14 | 4d818a405a8d |
15 | 24d7e41b8bca |
hex | 124e0258dcbd |
20126256127165 has 32 divisors (see below), whose sum is σ = 25954871745024. Its totient is φ = 14927126860800.
The previous prime is 20126256127163. The next prime is 20126256127177. The reversal of 20126256127165 is 56172165262102.
It is a happy number.
It is not a de Polignac number, because 20126256127165 - 21 = 20126256127163 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20126256127163) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193560940 + ... + 193664890.
It is an arithmetic number, because the mean of its divisors is an integer number (811089742032).
Almost surely, 220126256127165 is an apocalyptic number.
It is an amenable number.
20126256127165 is a deficient number, since it is larger than the sum of its proper divisors (5828615617859).
20126256127165 is a wasteful number, since it uses less digits than its factorization.
20126256127165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138037.
The product of its (nonzero) digits is 604800, while the sum is 46.
The spelling of 20126256127165 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, one hundred twenty-seven thousand, one hundred sixty-five".
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