Base | Representation |
---|---|
bin | 10010101111011011… |
… | …100010111100111001 |
3 | 1220221102011112212100 |
4 | 102233123202330321 |
5 | 312203003244113 |
6 | 13124443534013 |
7 | 1311445360605 |
oct | 225733427471 |
9 | 56842145770 |
10 | 20123103033 |
11 | 8596a70170 |
12 | 3a9722a309 |
13 | 1b8904a077 |
14 | d8c7ac505 |
15 | 7cb985d73 |
hex | 4af6e2f39 |
20123103033 has 24 divisors (see below), whose sum is σ = 31919150016. Its totient is φ = 12115044000.
The previous prime is 20123103001. The next prime is 20123103043. The reversal of 20123103033 is 33030132102.
It is not a de Polignac number, because 20123103033 - 25 = 20123103001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20123102997 and 20123103015.
It is not an unprimeable number, because it can be changed into a prime (20123103043) 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, 658110 + ... + 688007.
It is an arithmetic number, because the mean of its divisors is an integer number (1329964584).
Almost surely, 220123103033 is an apocalyptic number.
It is an amenable number.
20123103033 is a deficient number, since it is larger than the sum of its proper divisors (11796046983).
20123103033 is a wasteful number, since it uses less digits than its factorization.
20123103033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1346285 (or 1346282 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20123103033 its reverse (33030132102), we get a palindrome (53153235135).
The spelling of 20123103033 in words is "twenty billion, one hundred twenty-three million, one hundred three thousand, thirty-three".
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