Base | Representation |
---|---|
bin | 1001010011111000000000… |
… | …00101001001110001110101 |
3 | 2200111022020221220211222212 |
4 | 10221330000011021301311 |
5 | 10140421434233411210 |
6 | 111313402042303205 |
7 | 4212130354246064 |
oct | 451740005116165 |
9 | 80438227824885 |
10 | 20474110450805 |
11 | 6584026654a90 |
12 | 236802a1b7b05 |
13 | b5691482071b |
14 | 50ad48cdc1db |
15 | 2578a2b81805 |
hex | 129f00149c75 |
20474110450805 has 16 divisors (see below), whose sum is σ = 26806673995200. Its totient is φ = 14887927628160.
The previous prime is 20474110450793. The next prime is 20474110450853. The reversal of 20474110450805 is 50805401147402.
It is not a de Polignac number, because 20474110450805 - 212 = 20474110446709 is a prime.
It is a super-3 number, since 3×204741104508053 (a number of 41 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28827440 + ... + 29529129.
It is an arithmetic number, because the mean of its divisors is an integer number (1675417124700).
Almost surely, 220474110450805 is an apocalyptic number.
It is an amenable number.
20474110450805 is a deficient number, since it is larger than the sum of its proper divisors (6332563544395).
20474110450805 is a wasteful number, since it uses less digits than its factorization.
20474110450805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58362964.
The product of its (nonzero) digits is 179200, while the sum is 41.
The spelling of 20474110450805 in words is "twenty trillion, four hundred seventy-four billion, one hundred ten million, four hundred fifty thousand, eight hundred five".
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