Base | Representation |
---|---|
bin | 10001110011000111110… |
… | …100110000111101110111 |
3 | 11022221002120002220001110 |
4 | 101303013310300331313 |
5 | 130014424020210403 |
6 | 2333521155130103 |
7 | 154240063513524 |
oct | 21630764607567 |
9 | 4287076086043 |
10 | 1223123210103 |
11 | 4317a6190093 |
12 | 1790715a3933 |
13 | 8b456055c52 |
14 | 432b152a14b |
15 | 21c39c37103 |
hex | 11cc7d30f77 |
1223123210103 has 8 divisors (see below), whose sum is σ = 1632774729600. Its totient is φ = 814443582008.
The previous prime is 1223123210077. The next prime is 1223123210123. The reversal of 1223123210103 is 3010123213221.
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 1223123210103 - 212 = 1223123206007 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1223123210103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223123210123) 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, 242969913 + ... + 242974946.
It is an arithmetic number, because the mean of its divisors is an integer number (204096841200).
Almost surely, 21223123210103 is an apocalyptic number.
1223123210103 is a deficient number, since it is larger than the sum of its proper divisors (409651519497).
1223123210103 is an equidigital number, since it uses as much as digits as its factorization.
1223123210103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485945701.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1223123210103 its reverse (3010123213221), we get a palindrome (4233246423324).
The spelling of 1223123210103 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred ten thousand, one hundred three".
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