Base | Representation |
---|---|
bin | 10110111011110101… |
… | …10101011000100111 |
3 | 1011210010022102110021 |
4 | 23131322311120213 |
5 | 200204124403333 |
6 | 5353452540011 |
7 | 614062545604 |
oct | 133572653047 |
9 | 34703272407 |
10 | 12313122343 |
11 | 5249489075 |
12 | 2477781607 |
13 | 1212ca8412 |
14 | 84b4496ab |
15 | 4c0ec282d |
hex | 2ddeb5627 |
12313122343 has 4 divisors (see below), whose sum is σ = 12339489240. Its totient is φ = 12286755448.
The previous prime is 12313122329. The next prime is 12313122361. The reversal of 12313122343 is 34322131321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34322131321 = 11411 ⋅3007811.
It is a cyclic number.
It is not a de Polignac number, because 12313122343 - 29 = 12313121831 is a prime.
It is a super-2 number, since 2×123131223432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12313122043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13182748 + ... + 13183681.
It is an arithmetic number, because the mean of its divisors is an integer number (3084872310).
Almost surely, 212313122343 is an apocalyptic number.
12313122343 is a deficient number, since it is larger than the sum of its proper divisors (26366897).
12313122343 is an equidigital number, since it uses as much as digits as its factorization.
12313122343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26366896.
The product of its digits is 2592, while the sum is 25.
Adding to 12313122343 its reverse (34322131321), we get a palindrome (46635253664).
The spelling of 12313122343 in words is "twelve billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred forty-three".
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