Base | Representation |
---|---|
bin | 10110111111010100… |
… | …10101111000101101 |
3 | 1011212011022111222222 |
4 | 23133222111320231 |
5 | 200234120302303 |
6 | 5400415245125 |
7 | 614566162523 |
oct | 133752257055 |
9 | 34764274888 |
10 | 12342353453 |
11 | 5263a33911 |
12 | 24855197a5 |
13 | 1219071431 |
14 | 851298313 |
15 | 4c3848938 |
hex | 2dfa95e2d |
12342353453 has 4 divisors (see below), whose sum is σ = 12343168320. Its totient is φ = 12341538588.
The previous prime is 12342353437. The next prime is 12342353467. The reversal of 12342353453 is 35435324321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35435324321 = 233 ⋅152082937.
It is a cyclic number.
It is not a de Polignac number, because 12342353453 - 24 = 12342353437 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12342353053) 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, 384275 + ... + 415152.
It is an arithmetic number, because the mean of its divisors is an integer number (3085792080).
Almost surely, 212342353453 is an apocalyptic number.
It is an amenable number.
12342353453 is a deficient number, since it is larger than the sum of its proper divisors (814867).
12342353453 is an equidigital number, since it uses as much as digits as its factorization.
12342353453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 814866.
The product of its digits is 129600, while the sum is 35.
Adding to 12342353453 its reverse (35435324321), we get a palindrome (47777677774).
The spelling of 12342353453 in words is "twelve billion, three hundred forty-two million, three hundred fifty-three thousand, four hundred fifty-three".
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