Base | Representation |
---|---|
bin | 111001010010010010… |
… | …0111100001010000111 |
3 | 102202112111021020222002 |
4 | 1302210210330022013 |
5 | 4003421134400203 |
6 | 132303102255515 |
7 | 11613361466324 |
oct | 1624444741207 |
9 | 382474236862 |
10 | 123020231303 |
11 | 48199793652 |
12 | 1ba1328759b |
13 | b7a6b33398 |
14 | 5d504d7b4b |
15 | 33001e3d88 |
hex | 1ca493c287 |
123020231303 has 4 divisors (see below), whose sum is σ = 123474180768. Its totient is φ = 122566281840.
The previous prime is 123020231297. The next prime is 123020231309. The reversal of 123020231303 is 303132020321.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (123020231297) and next prime (123020231309).
It is a cyclic number.
It is not a de Polignac number, because 123020231303 - 24 = 123020231287 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 (123020231309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226974326 + ... + 226974867.
It is an arithmetic number, because the mean of its divisors is an integer number (30868545192).
Almost surely, 2123020231303 is an apocalyptic number.
123020231303 is a deficient number, since it is larger than the sum of its proper divisors (453949465).
123020231303 is an equidigital number, since it uses as much as digits as its factorization.
123020231303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453949464.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 123020231303 its reverse (303132020321), we get a palindrome (426152251624).
The spelling of 123020231303 in words is "one hundred twenty-three billion, twenty million, two hundred thirty-one thousand, three hundred three".
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