Base | Representation |
---|---|
bin | 10110100100000001… |
… | …01100010011001001 |
3 | 1011021012100222210202 |
4 | 23102000230103021 |
5 | 144302003101101 |
6 | 5321554421545 |
7 | 606115421663 |
oct | 132200542311 |
9 | 34235328722 |
10 | 12113331401 |
11 | 5156729196 |
12 | 24208918b5 |
13 | 11b0795322 |
14 | 82cabd533 |
15 | 4ad6aa36b |
hex | 2d202c4c9 |
12113331401 has 4 divisors (see below), whose sum is σ = 12113567172. Its totient is φ = 12113095632.
The previous prime is 12113331367. The next prime is 12113331443. The reversal of 12113331401 is 10413331121.
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 4791962176 + 7321369225 = 69224^2 + 85565^2 .
It is a cyclic number.
It is not a de Polignac number, because 12113331401 - 214 = 12113315017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12113331491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406 + ... + 155711.
It is an arithmetic number, because the mean of its divisors is an integer number (3028391793).
Almost surely, 212113331401 is an apocalyptic number.
It is an amenable number.
12113331401 is a deficient number, since it is larger than the sum of its proper divisors (235771).
12113331401 is an equidigital number, since it uses as much as digits as its factorization.
12113331401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235770.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12113331401 its reverse (10413331121), we get a palindrome (22526662522).
The spelling of 12113331401 in words is "twelve billion, one hundred thirteen million, three hundred thirty-one thousand, four hundred one".
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