Base | Representation |
---|---|
bin | 1100111110110100111… |
… | …0000101000110111111 |
3 | 210022122212112121100221 |
4 | 3033231032011012333 |
5 | 12123222421120411 |
6 | 250242213402211 |
7 | 22053503055544 |
oct | 3175516050677 |
9 | 708585477327 |
10 | 223023223231 |
11 | 86646882616 |
12 | 37282039367 |
13 | 1805314c8a3 |
14 | ab19ad6bcb |
15 | 5c04820071 |
hex | 33ed3851bf |
223023223231 has 16 divisors (see below), whose sum is σ = 227136827808. Its totient is φ = 218940019200.
The previous prime is 223023223219. The next prime is 223023223249. The reversal of 223023223231 is 132322320322.
It is a cyclic number.
It is not a de Polignac number, because 223023223231 - 221 = 223021126079 is a prime.
It is a super-2 number, since 2×2230232232312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223023223196 and 223023223205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223023223931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19912525 + ... + 19923721.
It is an arithmetic number, because the mean of its divisors is an integer number (14196051738).
Almost surely, 2223023223231 is an apocalyptic number.
223023223231 is a deficient number, since it is larger than the sum of its proper divisors (4113604577).
223023223231 is a wasteful number, since it uses less digits than its factorization.
223023223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12522.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 223023223231 its reverse (132322320322), we get a palindrome (355345543553).
The spelling of 223023223231 in words is "two hundred twenty-three billion, twenty-three million, two hundred twenty-three thousand, two hundred thirty-one".
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