Base | Representation |
---|---|
bin | 10110100010110001… |
… | …01111110110001000 |
3 | 1011020110122222222022 |
4 | 23101120233312020 |
5 | 144241313011133 |
6 | 5320542144012 |
7 | 605630420420 |
oct | 132130576610 |
9 | 34213588868 |
10 | 12102860168 |
11 | 5150826a83 |
12 | 2419282008 |
13 | 11ab56a129 |
14 | 82b555480 |
15 | 4ac7dc998 |
hex | 2d162fd88 |
12102860168 has 64 divisors (see below), whose sum is σ = 26360553600. Its totient is φ = 5102000640.
The previous prime is 12102860129. The next prime is 12102860171. The reversal of 12102860168 is 86106820121.
12102860168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 1100132-1.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3078428 + ... + 3082356.
It is an arithmetic number, because the mean of its divisors is an integer number (411883650).
Almost surely, 212102860168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12102860168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13180276800).
12102860168 is an abundant number, since it is smaller than the sum of its proper divisors (14257693432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102860168 is a wasteful number, since it uses less digits than its factorization.
12102860168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4830 (or 4826 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The spelling of 12102860168 in words is "twelve billion, one hundred two million, eight hundred sixty thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.183 sec. • engine limits •