Base | Representation |
---|---|
bin | 10110100010101101… |
… | …01100000010101110 |
3 | 1011020102122120102021 |
4 | 23101112230002232 |
5 | 144241143222202 |
6 | 5320522420354 |
7 | 605623011442 |
oct | 132126540256 |
9 | 34212576367 |
10 | 12102320302 |
11 | 5150498406 |
12 | 24190616ba |
13 | 11ab40b497 |
14 | 82b454822 |
15 | 4ac732a37 |
hex | 2d15ac0ae |
12102320302 has 4 divisors (see below), whose sum is σ = 18153480456. Its totient is φ = 6051160150.
The previous prime is 12102320261. The next prime is 12102320309. The reversal of 12102320302 is 20302320121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20302320121 = 269 ⋅75473309.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102320309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025580074 + ... + 3025580077.
It is an arithmetic number, because the mean of its divisors is an integer number (4538370114).
Almost surely, 212102320302 is an apocalyptic number.
12102320302 is a deficient number, since it is larger than the sum of its proper divisors (6051160154).
12102320302 is an equidigital number, since it uses as much as digits as its factorization.
12102320302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6051160153.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12102320302 its reverse (20302320121), we get a palindrome (32404640423).
The spelling of 12102320302 in words is "twelve billion, one hundred two million, three hundred twenty thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •