Base | Representation |
---|---|
bin | 1001001001010010000010… |
… | …01010110001100001111111 |
3 | 2122012111202112220111201110 |
4 | 10210221001022301201333 |
5 | 10113441021314120411 |
6 | 110434244415013103 |
7 | 4143623526332616 |
oct | 444510112614177 |
9 | 78174675814643 |
10 | 20110130223231 |
11 | 6453727271854 |
12 | 2309589b0a193 |
13 | b2b4b9776bb9 |
14 | 4d749a85c87d |
15 | 24d19d6032a6 |
hex | 124a412b187f |
20110130223231 has 8 divisors (see below), whose sum is σ = 26890779320064. Its totient is φ = 13368117304280.
The previous prime is 20110130223217. The next prime is 20110130223247. The reversal of 20110130223231 is 13232203101102.
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 20110130223231 - 213 = 20110130215039 is a prime.
It is a super-2 number, since 2×201101302232312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20110130223198 and 20110130223207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20110130223431) 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, 9659043255 + ... + 9659045336.
It is an arithmetic number, because the mean of its divisors is an integer number (3361347415008).
Almost surely, 220110130223231 is an apocalyptic number.
20110130223231 is a deficient number, since it is larger than the sum of its proper divisors (6780649096833).
20110130223231 is a wasteful number, since it uses less digits than its factorization.
20110130223231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19318088941.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 20110130223231 its reverse (13232203101102), we get a palindrome (33342333324333).
The spelling of 20110130223231 in words is "twenty trillion, one hundred ten billion, one hundred thirty million, two hundred twenty-three thousand, two hundred thirty-one".
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