Base | Representation |
---|---|
bin | 111001010010010110… |
… | …0110111101011010101 |
3 | 102202112122011212112121 |
4 | 1302210230313223111 |
5 | 4003422202410401 |
6 | 132303215015541 |
7 | 11613415245055 |
oct | 1624454675325 |
9 | 382478155477 |
10 | 123022310101 |
11 | 4819a983469 |
12 | 1ba13b0a5b1 |
13 | b7a73b0642 |
14 | 5d508b9565 |
15 | 33004a4ca1 |
hex | 1ca4b37ad5 |
123022310101 has 4 divisors (see below), whose sum is σ = 123805891852. Its totient is φ = 122238728352.
The previous prime is 123022310077. The next prime is 123022310107. The reversal of 123022310101 is 101013220321.
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 84476841201 + 38545468900 = 290649^2 + 196330^2 .
It is a cyclic number.
It is not a de Polignac number, because 123022310101 - 25 = 123022310069 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 (123022310107) 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, 391790640 + ... + 391790953.
It is an arithmetic number, because the mean of its divisors is an integer number (30951472963).
Almost surely, 2123022310101 is an apocalyptic number.
It is an amenable number.
123022310101 is a deficient number, since it is larger than the sum of its proper divisors (783581751).
123022310101 is an equidigital number, since it uses as much as digits as its factorization.
123022310101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783581750.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 123022310101 its reverse (101013220321), we get a palindrome (224035530422).
The spelling of 123022310101 in words is "one hundred twenty-three billion, twenty-two million, three hundred ten thousand, one hundred one".
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