Base | Representation |
---|---|
bin | 10001110011011001100… |
… | …010000101001110001111 |
3 | 11022221212021010201211022 |
4 | 101303121202011032033 |
5 | 130021031044132343 |
6 | 2334010450544355 |
7 | 154250331662360 |
oct | 21633142051617 |
9 | 4287767121738 |
10 | 1223420302223 |
11 | 431938958869 |
12 | 179134b980bb |
13 | 8b4a27762c2 |
14 | 432dcb83b67 |
15 | 21c55d6e568 |
hex | 11cd988538f |
1223420302223 has 8 divisors (see below), whose sum is σ = 1400410475520. Its totient is φ = 1046984090040.
The previous prime is 1223420302213. The next prime is 1223420302267. The reversal of 1223420302223 is 3222030243221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1223420302223 - 28 = 1223420301967 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1223420302192 and 1223420302201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223420302213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138485543 + ... + 138494376.
It is an arithmetic number, because the mean of its divisors is an integer number (175051309440).
Almost surely, 21223420302223 is an apocalyptic number.
1223420302223 is a deficient number, since it is larger than the sum of its proper divisors (176990173297).
1223420302223 is an equidigital number, since it uses as much as digits as its factorization.
1223420302223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276980557.
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 1223420302223 its reverse (3222030243221), we get a palindrome (4445450545444).
The spelling of 1223420302223 in words is "one trillion, two hundred twenty-three billion, four hundred twenty million, three hundred two thousand, two hundred twenty-three".
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