Base | Representation |
---|---|
bin | 100100011011011… |
… | …0000100010001011 |
3 | 10011011222222202110 |
4 | 1020312300202023 |
5 | 10000403022443 |
6 | 321142233403 |
7 | 42201333012 |
oct | 11066604213 |
9 | 3134888673 |
10 | 1222314123 |
11 | 577a67768 |
12 | 2a1425863 |
13 | 166307cc4 |
14 | b849ba79 |
15 | 72497233 |
hex | 48db088b |
1222314123 has 4 divisors (see below), whose sum is σ = 1629752168. Its totient is φ = 814876080.
The previous prime is 1222314113. The next prime is 1222314131. The reversal of 1222314123 is 3214132221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214132221 = 3 ⋅1071377407.
It is not a de Polignac number, because 1222314123 - 25 = 1222314091 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1222314123.
It is not an unprimeable number, because it can be changed into a prime (1222314103) 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, 203719018 + ... + 203719023.
It is an arithmetic number, because the mean of its divisors is an integer number (407438042).
Almost surely, 21222314123 is an apocalyptic number.
1222314123 is a deficient number, since it is larger than the sum of its proper divisors (407438045).
1222314123 is an equidigital number, since it uses as much as digits as its factorization.
1222314123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407438044.
The product of its digits is 576, while the sum is 21.
The square root of 1222314123 is about 34961.6092736018. The cubic root of 1222314123 is about 1069.2049070451.
Adding to 1222314123 its reverse (3214132221), we get a palindrome (4436446344).
The spelling of 1222314123 in words is "one billion, two hundred twenty-two million, three hundred fourteen thousand, one hundred twenty-three".
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