Base | Representation |
---|---|
bin | 10001101001101100011… |
… | …100010010001010000011 |
3 | 11021221222001202012102022 |
4 | 101221230130102022003 |
5 | 124333211013144303 |
6 | 2325124454312055 |
7 | 153431162665130 |
oct | 21515434221203 |
9 | 4257861665368 |
10 | 1213000131203 |
11 | 428480a51083 |
12 | 17710735862b |
13 | 8a501a04333 |
14 | 429d0cc9587 |
15 | 21846166438 |
hex | 11a6c712283 |
1213000131203 has 8 divisors (see below), whose sum is σ = 1386375087360. Its totient is φ = 1039647480840.
The previous prime is 1213000131193. The next prime is 1213000131223. The reversal of 1213000131203 is 3021310003121.
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 1213000131203 - 222 = 1212995936899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1213000131223) 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 7 ways as a sum of consecutive naturals, for example, 5459753 + ... + 5677578.
It is an arithmetic number, because the mean of its divisors is an integer number (173296885920).
Almost surely, 21213000131203 is an apocalyptic number.
1213000131203 is a deficient number, since it is larger than the sum of its proper divisors (173374956157).
1213000131203 is a wasteful number, since it uses less digits than its factorization.
1213000131203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11152897.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 1213000131203 its reverse (3021310003121), we get a palindrome (4234310134324).
The spelling of 1213000131203 in words is "one trillion, two hundred thirteen billion, one hundred thirty-one thousand, two hundred three".
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