Base | Representation |
---|---|
bin | 10110111100011101… |
… | …10010101011100001 |
3 | 1011210111011020010201 |
4 | 23132032302223201 |
5 | 200211444313040 |
6 | 5354201025201 |
7 | 614155165636 |
oct | 133616625341 |
9 | 34714136121 |
10 | 12318354145 |
11 | 5251431879 |
12 | 2479485201 |
13 | 12140ba866 |
14 | 84c00c18d |
15 | 4c16a7a9a |
hex | 2de3b2ae1 |
12318354145 has 16 divisors (see below), whose sum is σ = 15429761280. Its totient is φ = 9423139264.
The previous prime is 12318354143. The next prime is 12318354149. The reversal of 12318354145 is 54145381321.
It is a cyclic number.
It is not a de Polignac number, because 12318354145 - 21 = 12318354143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12318354143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373932 + ... + 405538.
It is an arithmetic number, because the mean of its divisors is an integer number (964360080).
Almost surely, 212318354145 is an apocalyptic number.
It is an amenable number.
12318354145 is a deficient number, since it is larger than the sum of its proper divisors (3111407135).
12318354145 is a wasteful number, since it uses less digits than its factorization.
12318354145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35024.
The product of its digits is 57600, while the sum is 37.
The spelling of 12318354145 in words is "twelve billion, three hundred eighteen million, three hundred fifty-four thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •