Base | Representation |
---|---|
bin | 111001011011100011… |
… | …1001101000010001101 |
3 | 102210100011102021020020 |
4 | 1302313013031002031 |
5 | 4010040242000323 |
6 | 132354011412353 |
7 | 11624155634061 |
oct | 1626707150215 |
9 | 383304367206 |
10 | 123331203213 |
11 | 48339281429 |
12 | 1ba9b4540b9 |
13 | b8263a322a |
14 | 5d7d925aa1 |
15 | 331c66dae3 |
hex | 1cb71cd08d |
123331203213 has 8 divisors (see below), whose sum is σ = 166422828768. Its totient is φ = 81230189904.
The previous prime is 123331203181. The next prime is 123331203217. The reversal of 123331203213 is 312302133321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123331203213 - 25 = 123331203181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123331203217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247652770 + ... + 247653267.
It is an arithmetic number, because the mean of its divisors is an integer number (20802853596).
Almost surely, 2123331203213 is an apocalyptic number.
It is an amenable number.
123331203213 is a deficient number, since it is larger than the sum of its proper divisors (43091625555).
123331203213 is an equidigital number, since it uses as much as digits as its factorization.
123331203213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495306123.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 123331203213 its reverse (312302133321), we get a palindrome (435633336534).
The spelling of 123331203213 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred three thousand, two hundred thirteen".
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