Base | Representation |
---|---|
bin | 11011111111011010100000… |
… | …011011101010000001101101 |
3 | 121010212201122012022201120002 |
4 | 123333122200123222001231 |
5 | 112113423112311230131 |
6 | 1113453402051034045 |
7 | 34634021520602234 |
oct | 3377324033520155 |
9 | 533781565281502 |
10 | 123105044242541 |
11 | 36252613151079 |
12 | 119826ba29b925 |
13 | 538c9a98187ba |
14 | 225845ccc3b1b |
15 | e373a0d796cb |
hex | 6ff6a06ea06d |
123105044242541 has 8 divisors (see below), whose sum is σ = 126343001461824. Its totient is φ = 119908867116640.
The previous prime is 123105044242519. The next prime is 123105044242627. The reversal of 123105044242541 is 145242440501321.
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 123105044242541 - 242 = 118706997731437 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123105044242495 and 123105044242504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123105044242501) 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, 10445017376 + ... + 10445029161.
It is an arithmetic number, because the mean of its divisors is an integer number (15792875182728).
Almost surely, 2123105044242541 is an apocalyptic number.
It is an amenable number.
123105044242541 is a deficient number, since it is larger than the sum of its proper divisors (3237957219283).
123105044242541 is an equidigital number, since it uses as much as digits as its factorization.
123105044242541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20890046691.
The product of its (nonzero) digits is 153600, while the sum is 38.
Adding to 123105044242541 its reverse (145242440501321), we get a palindrome (268347484743862).
The spelling of 123105044242541 in words is "one hundred twenty-three trillion, one hundred five billion, forty-four million, two hundred forty-two thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •