Base | Representation |
---|---|
bin | 111000111011000100… |
… | …1101101101100000101 |
3 | 102200112012122121000000 |
4 | 1301312021231230011 |
5 | 4000322240422323 |
6 | 132053520111513 |
7 | 11555153156544 |
oct | 1616611555405 |
9 | 380465577000 |
10 | 122241342213 |
11 | 4792a061761 |
12 | 1b836465599 |
13 | b6b1662473 |
14 | 5cb8ca615b |
15 | 32a6b3be43 |
hex | 1c7626db05 |
122241342213 has 56 divisors (see below), whose sum is σ = 200751528600. Its totient is φ = 74055389184.
The previous prime is 122241342211. The next prime is 122241342239. The reversal of 122241342213 is 312243142221.
122241342213 is a `hidden beast` number, since 1 + 2 + 22 + 413 + 4 + 221 + 3 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 10493543844 + 111747798369 = 102438^2 + 334287^2 .
It is not a de Polignac number, because 122241342213 - 21 = 122241342211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122241342211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 189333 + ... + 529461.
It is an arithmetic number, because the mean of its divisors is an integer number (3584848725).
Almost surely, 2122241342213 is an apocalyptic number.
It is an amenable number.
122241342213 is a deficient number, since it is larger than the sum of its proper divisors (78510186387).
122241342213 is an equidigital number, since it uses as much as digits as its factorization.
122241342213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340193 (or 340178 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
Adding to 122241342213 its reverse (312243142221), we get a palindrome (434484484434).
The spelling of 122241342213 in words is "one hundred twenty-two billion, two hundred forty-one million, three hundred forty-two thousand, two hundred thirteen".
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