Base | Representation |
---|---|
bin | 1001001001100100011101… |
… | …01101100001000011100011 |
3 | 2122020110021212100200000111 |
4 | 10210302032231201003203 |
5 | 10114121300401023021 |
6 | 110443002103032151 |
7 | 4144423610441263 |
oct | 444621655410343 |
9 | 78213255320014 |
10 | 20120021111011 |
11 | 6457942431178 |
12 | 230b48a43b657 |
13 | b2c404980113 |
14 | 4d7b582db7a3 |
15 | 24d57bb0b8e1 |
hex | 124c8eb610e3 |
20120021111011 has 8 divisors (see below), whose sum is σ = 20208595760640. Its totient is φ = 20031483049032.
The previous prime is 20120021110967. The next prime is 20120021111017. The reversal of 20120021111011 is 11011112002102.
It is a happy number.
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 20120021111011 - 27 = 20120021110883 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20120021110982 and 20120021111000.
It is not an unprimeable number, because it can be changed into a prime (20120021111017) 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, 8044375 + ... + 10244608.
It is an arithmetic number, because the mean of its divisors is an integer number (2526074470080).
Almost surely, 220120021111011 is an apocalyptic number.
20120021111011 is a deficient number, since it is larger than the sum of its proper divisors (88574649629).
20120021111011 is a wasteful number, since it uses less digits than its factorization.
20120021111011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18293825.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 20120021111011 its reverse (11011112002102), we get a palindrome (31131133113113).
The spelling of 20120021111011 in words is "twenty trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, eleven".
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