Base | Representation |
---|---|
bin | 10110111010011011… |
… | …10010000101000001 |
3 | 1011202022002102011001 |
4 | 23131031302011001 |
5 | 200143113443241 |
6 | 5352351452001 |
7 | 613560300214 |
oct | 133515620501 |
9 | 34668072131 |
10 | 12301312321 |
11 | 5242852021 |
12 | 2473827001 |
13 | 1210701a3c |
14 | 849a5377b |
15 | 4bee3d431 |
hex | 2dd372141 |
12301312321 has 8 divisors (see below), whose sum is σ = 12519900000. Its totient is φ = 12083061120.
The previous prime is 12301312313. The next prime is 12301312343. The reversal of 12301312321 is 12321310321.
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 12301312321 - 23 = 12301312313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12301312301) 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, 9775 + ... + 157156.
It is an arithmetic number, because the mean of its divisors is an integer number (1564987500).
Almost surely, 212301312321 is an apocalyptic number.
It is an amenable number.
12301312321 is a deficient number, since it is larger than the sum of its proper divisors (218587679).
12301312321 is a wasteful number, since it uses less digits than its factorization.
12301312321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168239.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12301312321 its reverse (12321310321), we get a palindrome (24622622642).
The spelling of 12301312321 in words is "twelve billion, three hundred one million, three hundred twelve thousand, three hundred twenty-one".
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