Base | Representation |
---|---|
bin | 10110100011101001… |
… | …10111100011111001 |
3 | 1011020222112111221202 |
4 | 23101310313203321 |
5 | 144300204404201 |
6 | 5321404143545 |
7 | 606050162153 |
oct | 132164674371 |
9 | 34228474852 |
10 | 12110231801 |
11 | 5154a01438 |
12 | 241b837bb5 |
13 | 11acc4b545 |
14 | 82c513ad3 |
15 | 4ad296c6b |
hex | 2d1d378f9 |
12110231801 has 2 divisors, whose sum is σ = 12110231802. Its totient is φ = 12110231800.
The previous prime is 12110231773. The next prime is 12110231803. The reversal of 12110231801 is 10813201121.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9516978025 + 2593253776 = 97555^2 + 50924^2 .
It is a cyclic number.
It is not a de Polignac number, because 12110231801 - 26 = 12110231737 is a prime.
Together with 12110231803, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12110231803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055115900 + 6055115901.
It is an arithmetic number, because the mean of its divisors is an integer number (6055115901).
Almost surely, 212110231801 is an apocalyptic number.
It is an amenable number.
12110231801 is a deficient number, since it is larger than the sum of its proper divisors (1).
12110231801 is an equidigital number, since it uses as much as digits as its factorization.
12110231801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 20.
Adding to 12110231801 its reverse (10813201121), we get a palindrome (22923432922).
The spelling of 12110231801 in words is "twelve billion, one hundred ten million, two hundred thirty-one thousand, eight hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.128 sec. • engine limits •