Base | Representation |
---|---|
bin | 111001011101110110… |
… | …0011001101100111101 |
3 | 102210112112001011102212 |
4 | 1302323230121230331 |
5 | 4010214431011133 |
6 | 132405355030205 |
7 | 11626111141664 |
oct | 1627354315475 |
9 | 383475034385 |
10 | 123408063293 |
11 | 483786a8559 |
12 | 1bb0113b365 |
13 | b8392a4378 |
14 | 5d89c11ddb |
15 | 33242a2148 |
hex | 1cbbb19b3d |
123408063293 has 4 divisors (see below), whose sum is σ = 123535158048. Its totient is φ = 123280968540.
The previous prime is 123408063239. The next prime is 123408063367. The reversal of 123408063293 is 392360804321.
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.
It is a cyclic number.
It is not a de Polignac number, because 123408063293 - 210 = 123408062269 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 123408063293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123408063893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63545921 + ... + 63547862.
It is an arithmetic number, because the mean of its divisors is an integer number (30883789512).
Almost surely, 2123408063293 is an apocalyptic number.
It is an amenable number.
123408063293 is a deficient number, since it is larger than the sum of its proper divisors (127094755).
123408063293 is an equidigital number, since it uses as much as digits as its factorization.
123408063293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127094754.
The product of its (nonzero) digits is 186624, while the sum is 41.
The spelling of 123408063293 in words is "one hundred twenty-three billion, four hundred eight million, sixty-three thousand, two hundred ninety-three".
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