Base | Representation |
---|---|
bin | 1001001111101011110001… |
… | …00001110001011101001011 |
3 | 2122222112112210020101210211 |
4 | 10213311320201301131023 |
5 | 10131042022144044321 |
6 | 111123304200421551 |
7 | 4165541613364651 |
oct | 447657041613513 |
9 | 78875483211724 |
10 | 20330102331211 |
11 | 6528a47841312 |
12 | 234413a1778b7 |
13 | b4617475633a |
14 | 503da7244dd1 |
15 | 253c751340e1 |
hex | 127d7887174b |
20330102331211 has 4 divisors (see below), whose sum is σ = 20330111414232. Its totient is φ = 20330093248192.
The previous prime is 20330102331107. The next prime is 20330102331239. The reversal of 20330102331211 is 11213320103302.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20330102331211 - 27 = 20330102331083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20330102331281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455756 + ... + 6540598.
It is an arithmetic number, because the mean of its divisors is an integer number (5082527853558).
Almost surely, 220330102331211 is an apocalyptic number.
20330102331211 is a deficient number, since it is larger than the sum of its proper divisors (9083021).
20330102331211 is an equidigital number, since it uses as much as digits as its factorization.
20330102331211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9083020.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 20330102331211 its reverse (11213320103302), we get a palindrome (31543422434513).
The spelling of 20330102331211 in words is "twenty trillion, three hundred thirty billion, one hundred two million, three hundred thirty-one thousand, two hundred eleven".
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