Base | Representation |
---|---|
bin | 10010101010100011… |
… | …100100111011100111 |
3 | 1220201201021122200011 |
4 | 102222203210323213 |
5 | 312021034302330 |
6 | 13112403031051 |
7 | 1306433266555 |
oct | 225243447347 |
9 | 56651248604 |
10 | 20041322215 |
11 | 8554893012 |
12 | 3a7396b487 |
13 | 1b75115255 |
14 | d819a0bd5 |
15 | 7c46ce82a |
hex | 4aa8e4ee7 |
20041322215 has 32 divisors (see below), whose sum is σ = 25355483136. Its totient is φ = 15185988480.
The previous prime is 20041322183. The next prime is 20041322221. The reversal of 20041322215 is 51222314002.
It is a happy number.
It is not a de Polignac number, because 20041322215 - 25 = 20041322183 is a prime.
It is a super-2 number, since 2×200413222152 (a number of 21 digits) contains 22 as substring.
It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 3636492 + ... + 3641998.
It is an arithmetic number, because the mean of its divisors is an integer number (792358848).
Almost surely, 220041322215 is an apocalyptic number.
20041322215 is a deficient number, since it is larger than the sum of its proper divisors (5314160921).
20041322215 is a wasteful number, since it uses less digits than its factorization.
20041322215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6039.
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 20041322215 its reverse (51222314002), we get a palindrome (71263636217).
The spelling of 20041322215 in words is "twenty billion, forty-one million, three hundred twenty-two thousand, two hundred fifteen".
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