Base | Representation |
---|---|
bin | 1110100100101… |
… | …00101110101101 |
3 | 22112000122021001 |
4 | 13102110232231 |
5 | 222243302023 |
6 | 20044040301 |
7 | 3013025353 |
oct | 722245655 |
9 | 275018231 |
10 | 122244013 |
11 | 63004811 |
12 | 34b33091 |
13 | 1c431448 |
14 | 123417d3 |
15 | aaea6ad |
hex | 7494bad |
122244013 has 4 divisors (see below), whose sum is σ = 123053728. Its totient is φ = 121434300.
The previous prime is 122243993. The next prime is 122244029. The reversal of 122244013 is 310442221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310442221 = 317 ⋅979313.
It is a cyclic number.
It is not a de Polignac number, because 122244013 - 25 = 122243981 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 (122244053) 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, 404631 + ... + 404932.
It is an arithmetic number, because the mean of its divisors is an integer number (30763432).
Almost surely, 2122244013 is an apocalyptic number.
It is an amenable number.
122244013 is a deficient number, since it is larger than the sum of its proper divisors (809715).
122244013 is an equidigital number, since it uses as much as digits as its factorization.
122244013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 809714.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 122244013 is about 11056.4014489345. The cubic root of 122244013 is about 496.2980088359.
Adding to 122244013 its reverse (310442221), we get a palindrome (432686234).
The spelling of 122244013 in words is "one hundred twenty-two million, two hundred forty-four thousand, thirteen".
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