Base | Representation |
---|---|
bin | 111001010101110111… |
… | …1011000101011110111 |
3 | 102202211212101222021202 |
4 | 1302223233120223313 |
5 | 4004142421110403 |
6 | 132323034203115 |
7 | 11616351133664 |
oct | 1625357305367 |
9 | 382755358252 |
10 | 123140410103 |
11 | 48250607777 |
12 | 1ba4758349b |
13 | b7c59c07b9 |
14 | 5d6245ca6b |
15 | 330aa32688 |
hex | 1cabbd8af7 |
123140410103 has 4 divisors (see below), whose sum is σ = 123233207520. Its totient is φ = 123047612688.
The previous prime is 123140410087. The next prime is 123140410181. The reversal of 123140410103 is 301014041321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 123140410103 - 24 = 123140410087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123140430103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46396718 + ... + 46399371.
It is an arithmetic number, because the mean of its divisors is an integer number (30808301880).
Almost surely, 2123140410103 is an apocalyptic number.
123140410103 is a deficient number, since it is larger than the sum of its proper divisors (92797417).
123140410103 is an equidigital number, since it uses as much as digits as its factorization.
123140410103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92797416.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 123140410103 its reverse (301014041321), we get a palindrome (424154451424).
The spelling of 123140410103 in words is "one hundred twenty-three billion, one hundred forty million, four hundred ten thousand, one hundred three".
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