Base | Representation |
---|---|
bin | 1001011110010010011011… |
… | …11011011010101100000001 |
3 | 2201202111202211211112121012 |
4 | 10233021031323122230001 |
5 | 10212302212043311131 |
6 | 112150013040410305 |
7 | 4250024605143230 |
oct | 457111573325401 |
9 | 81674684745535 |
10 | 20831898807041 |
11 | 6701838876683 |
12 | 2405440916995 |
13 | b81593b2c05a |
14 | 5203aaca4b17 |
15 | 261d4382652b |
hex | 12f24dedab01 |
20831898807041 has 16 divisors (see below), whose sum is σ = 24593323054080. Its totient is φ = 17267651850240.
The previous prime is 20831898807029. The next prime is 20831898807101. The reversal of 20831898807041 is 14070889813802.
It is a cyclic number.
It is not a de Polignac number, because 20831898807041 - 214 = 20831898790657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20831898807001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33760796 + ... + 34372301.
It is an arithmetic number, because the mean of its divisors is an integer number (1537082690880).
Almost surely, 220831898807041 is an apocalyptic number.
It is an amenable number.
20831898807041 is a deficient number, since it is larger than the sum of its proper divisors (3761424247039).
20831898807041 is a wasteful number, since it uses less digits than its factorization.
20831898807041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68134544.
The product of its (nonzero) digits is 6193152, while the sum is 59.
The spelling of 20831898807041 in words is "twenty trillion, eight hundred thirty-one billion, eight hundred ninety-eight million, eight hundred seven thousand, forty-one".
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