Base | Representation |
---|---|
bin | 10001101001101101110… |
… | …011111010010101011111 |
3 | 11021222000122222020211210 |
4 | 101221231303322111133 |
5 | 124333232403233203 |
6 | 2325131034515503 |
7 | 153431562150225 |
oct | 21515563722537 |
9 | 4258018866753 |
10 | 1213023102303 |
11 | 428492a10661 |
12 | 177112b95b93 |
13 | 8a5066b7bbc |
14 | 429d3d88b15 |
15 | 218481a2803 |
hex | 11a6dcfa55f |
1213023102303 has 8 divisors (see below), whose sum is σ = 1618178117248. Its totient is φ = 808275077784.
The previous prime is 1213023102293. The next prime is 1213023102307. The reversal of 1213023102303 is 3032013203121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1213023102303 - 29 = 1213023101791 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1213023102303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213023102307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101740651 + ... + 101752572.
It is an arithmetic number, because the mean of its divisors is an integer number (202272264656).
Almost surely, 21213023102303 is an apocalyptic number.
1213023102303 is a deficient number, since it is larger than the sum of its proper divisors (405155014945).
1213023102303 is a wasteful number, since it uses less digits than its factorization.
1213023102303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203495213.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1213023102303 its reverse (3032013203121), we get a palindrome (4245036305424).
The spelling of 1213023102303 in words is "one trillion, two hundred thirteen billion, twenty-three million, one hundred two thousand, three hundred three".
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