Base | Representation |
---|---|
bin | 1001001101011111111011… |
… | …10111100110100001101011 |
3 | 2122201100202212102110002011 |
4 | 10212233331313212201223 |
5 | 10123324300140341021 |
6 | 111025010552220351 |
7 | 4160243345244454 |
oct | 446577567464153 |
9 | 78640685373064 |
10 | 20255030012011 |
11 | 64aa123437803 |
12 | 233168869a6b7 |
13 | b3c06c4abaa2 |
14 | 5004c4b0412b |
15 | 251d2e583de1 |
hex | 126bfdde686b |
20255030012011 has 8 divisors (see below), whose sum is σ = 21000778386480. Its totient is φ = 19512434908512.
The previous prime is 20255030011987. The next prime is 20255030012023. The reversal of 20255030012011 is 11021003055202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20255030012011 - 219 = 20255029487723 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20255030012051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788304660 + ... + 788330353.
It is an arithmetic number, because the mean of its divisors is an integer number (2625097298310).
Almost surely, 220255030012011 is an apocalyptic number.
20255030012011 is a deficient number, since it is larger than the sum of its proper divisors (745748374469).
20255030012011 is a wasteful number, since it uses less digits than its factorization.
20255030012011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1576635485.
The product of its (nonzero) digits is 600, while the sum is 22.
Adding to 20255030012011 its reverse (11021003055202), we get a palindrome (31276033067213).
The spelling of 20255030012011 in words is "twenty trillion, two hundred fifty-five billion, thirty million, twelve thousand, eleven".
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