Base | Representation |
---|---|
bin | 10110111011100101… |
… | …10001111111100101 |
3 | 1011202222100011122112 |
4 | 23131302301333211 |
5 | 200203104330201 |
6 | 5353335410405 |
7 | 614035604141 |
oct | 133562617745 |
9 | 34688304575 |
10 | 12311011301 |
11 | 5248277006 |
12 | 2476b23a05 |
13 | 1212719594 |
14 | 84b05a221 |
15 | 4c0c070bb |
hex | 2ddcb1fe5 |
12311011301 has 4 divisors (see below), whose sum is σ = 12432902604. Its totient is φ = 12189120000.
The previous prime is 12311011283. The next prime is 12311011333. The reversal of 12311011301 is 10311011321.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11518870276 + 792141025 = 107326^2 + 28145^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12311011301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311011201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60945500 + ... + 60945701.
It is an arithmetic number, because the mean of its divisors is an integer number (3108225651).
Almost surely, 212311011301 is an apocalyptic number.
It is an amenable number.
12311011301 is a deficient number, since it is larger than the sum of its proper divisors (121891303).
12311011301 is a wasteful number, since it uses less digits than its factorization.
12311011301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121891302.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 12311011301 its reverse (10311011321), we get a palindrome (22622022622).
The spelling of 12311011301 in words is "twelve billion, three hundred eleven million, eleven thousand, three hundred one".
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