Base | Representation |
---|---|
bin | 10110101110011111… |
… | …11001000101100111 |
3 | 1011111022201021122020 |
4 | 23113033321011213 |
5 | 144442001431043 |
6 | 5334414034223 |
7 | 611233335363 |
oct | 132717710547 |
9 | 34438637566 |
10 | 12201202023 |
11 | 51a129573a |
12 | 24461a8973 |
13 | 11c5a4cc8a |
14 | 83a6342a3 |
15 | 4b6265e83 |
hex | 2d73f9167 |
12201202023 has 8 divisors (see below), whose sum is σ = 16269322608. Its totient is φ = 8133608064.
The previous prime is 12201202009. The next prime is 12201202033. The reversal of 12201202023 is 32020210221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12201202023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12201201993 and 12201202011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12201202033) 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, 73986 + ... + 172847.
It is an arithmetic number, because the mean of its divisors is an integer number (2033665326).
Almost surely, 212201202023 is an apocalyptic number.
12201202023 is a deficient number, since it is larger than the sum of its proper divisors (4068120585).
12201202023 is a wasteful number, since it uses less digits than its factorization.
12201202023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263313.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 12201202023 its reverse (32020210221), we get a palindrome (44221412244).
The spelling of 12201202023 in words is "twelve billion, two hundred one million, two hundred two thousand, twenty-three".
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