Base | Representation |
---|---|
bin | 10110111010100011… |
… | …00011101101000101 |
3 | 1011202100221200202121 |
4 | 23131101203231011 |
5 | 200143342131041 |
6 | 5352425005541 |
7 | 613601561512 |
oct | 133521435505 |
9 | 34670850677 |
10 | 12302302021 |
11 | 5243368659 |
12 | 24740238b1 |
13 | 121098a369 |
14 | 849c30309 |
15 | 4c00867d1 |
hex | 2dd463b45 |
12302302021 has 8 divisors (see below), whose sum is σ = 12591053024. Its totient is φ = 12013671600.
The previous prime is 12302302003. The next prime is 12302302037. The reversal of 12302302021 is 12020320321.
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 12302302021 - 29 = 12302301509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12302301986 and 12302302004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12302702021) 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, 195946 + ... + 250996.
It is an arithmetic number, because the mean of its divisors is an integer number (1573881628).
Almost surely, 212302302021 is an apocalyptic number.
It is an amenable number.
12302302021 is a deficient number, since it is larger than the sum of its proper divisors (288751003).
12302302021 is an equidigital number, since it uses as much as digits as its factorization.
12302302021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60291.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12302302021 its reverse (12020320321), we get a palindrome (24322622342).
The spelling of 12302302021 in words is "twelve billion, three hundred two million, three hundred two thousand, twenty-one".
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