Base | Representation |
---|---|
bin | 1001001100001110001000… |
… | …00110101111101001001110 |
3 | 2122120011102002111011022022 |
4 | 10212013010012233221032 |
5 | 10122114323433330110 |
6 | 110552504544250142 |
7 | 4154130114615350 |
oct | 446070406575116 |
9 | 78504362434268 |
10 | 20211111230030 |
11 | 6492536428876 |
12 | 2325070310952 |
13 | b37b905a3726 |
14 | 4dc319cc50d0 |
15 | 250b0da1b755 |
hex | 1261c41afa4e |
20211111230030 has 16 divisors (see below), whose sum is σ = 41577143101920. Its totient is φ = 6929523850272.
The previous prime is 20211111230017. The next prime is 20211111230033. The reversal of 20211111230030 is 3003211111202.
It is a junction number, because it is equal to n+sod(n) for n = 20211111229990 and 20211111230008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211111230033) 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, 144365080145 + ... + 144365080284.
It is an arithmetic number, because the mean of its divisors is an integer number (2598571443870).
Almost surely, 220211111230030 is an apocalyptic number.
20211111230030 is an abundant number, since it is smaller than the sum of its proper divisors (21366031871890).
20211111230030 is a wasteful number, since it uses less digits than its factorization.
20211111230030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288730160443.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 20211111230030 its reverse (3003211111202), we get a palindrome (23214322341232).
The spelling of 20211111230030 in words is "twenty trillion, two hundred eleven billion, one hundred eleven million, two hundred thirty thousand, thirty".
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