Base | Representation |
---|---|
bin | 1011000000100000000011… |
… | …0011000000101011001001 |
3 | 1120212001112222211000221022 |
4 | 2300020000303000223021 |
5 | 3041244404142242413 |
6 | 41424051521122225 |
7 | 2356300231565600 |
oct | 260100063005311 |
9 | 46761488730838 |
10 | 12103231212233 |
11 | 3946a51541537 |
12 | 143582b789375 |
13 | 69a439778815 |
14 | 2dbb29c30a37 |
15 | 15ec75b71608 |
hex | b0200cc0ac9 |
12103231212233 has 24 divisors (see below), whose sum is σ = 14345525404872. Its totient is φ = 10178025871104.
The previous prime is 12103231212227. The next prime is 12103231212251. The reversal of 12103231212233 is 33221213230121.
It can be written as a sum of positive squares in 4 ways, for example, as 4295185785289 + 7808045426944 = 2072483^2 + 2794288^2 .
It is not a de Polignac number, because 12103231212233 - 214 = 12103231195849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103231212203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70752941 + ... + 70923797.
It is an arithmetic number, because the mean of its divisors is an integer number (597730225203).
Almost surely, 212103231212233 is an apocalyptic number.
It is an amenable number.
12103231212233 is a deficient number, since it is larger than the sum of its proper divisors (2242294192639).
12103231212233 is a wasteful number, since it uses less digits than its factorization.
12103231212233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198201 (or 198194 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 12103231212233 its reverse (33221213230121), we get a palindrome (45324444442354).
The spelling of 12103231212233 in words is "twelve trillion, one hundred three billion, two hundred thirty-one million, two hundred twelve thousand, two hundred thirty-three".
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