Base | Representation |
---|---|
bin | 111001010111101111… |
… | …0100100110001000001 |
3 | 102210000020101120010021 |
4 | 1302233132210301001 |
5 | 4004304444041001 |
6 | 132333154133441 |
7 | 11621042113234 |
oct | 1625736446101 |
9 | 383006346107 |
10 | 123203112001 |
11 | 48282a43622 |
12 | 1ba64581281 |
13 | b8059a5508 |
14 | 5d6a90141b |
15 | 33112baba1 |
hex | 1caf7a4c41 |
123203112001 has 8 divisors (see below), whose sum is σ = 126247730400. Its totient is φ = 120190374720.
The previous prime is 123203111987. The next prime is 123203112013. The reversal of 123203112001 is 100211302321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123203112001 - 27 = 123203111873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123203112031) 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, 7962456 + ... + 7977913.
It is an arithmetic number, because the mean of its divisors is an integer number (15780966300).
Almost surely, 2123203112001 is an apocalyptic number.
It is an amenable number.
123203112001 is a deficient number, since it is larger than the sum of its proper divisors (3044618399).
123203112001 is a wasteful number, since it uses less digits than its factorization.
123203112001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15940559.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 123203112001 its reverse (100211302321), we get a palindrome (223414414322).
The spelling of 123203112001 in words is "one hundred twenty-three billion, two hundred three million, one hundred twelve thousand, one".
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