Base | Representation |
---|---|
bin | 10001100000100110000… |
… | …110001100011101101001 |
3 | 11021000202011112011101011 |
4 | 101200212012030131221 |
5 | 124203203340013001 |
6 | 2320431202423521 |
7 | 152634106154410 |
oct | 21404606143551 |
9 | 4230664464334 |
10 | 1203230001001 |
11 | 424317a70706 |
12 | 17523b361ba1 |
13 | 8960582bac2 |
14 | 423454c2477 |
15 | 21473562d51 |
hex | 1182618c769 |
1203230001001 has 24 divisors (see below), whose sum is σ = 1460978419520. Its totient is φ = 970532865792.
The previous prime is 1203230000893. The next prime is 1203230001011. The reversal of 1203230001001 is 1001000323021.
It is a de Polignac number, because none of the positive numbers 2k-1203230001001 is a prime.
It is a super-2 number, since 2×12032300010012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1203230001011) 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 23 ways as a sum of consecutive naturals, for example, 15341755 + ... + 15419983.
Almost surely, 21203230001001 is an apocalyptic number.
It is an amenable number.
1203230001001 is a deficient number, since it is larger than the sum of its proper divisors (257748418519).
1203230001001 is an equidigital number, since it uses as much as digits as its factorization.
1203230001001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85873 (or 85856 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 1203230001001 its reverse (1001000323021), we get a palindrome (2204230324022).
The spelling of 1203230001001 in words is "one trillion, two hundred three billion, two hundred thirty million, one thousand, one".
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