Base | Representation |
---|---|
bin | 10101011100110100… |
… | …111101010111110100 |
3 | 2012110011012011112110 |
4 | 111130310331113310 |
5 | 334132222120340 |
6 | 14325244251020 |
7 | 1443521444556 |
oct | 253464752764 |
9 | 65404164473 |
10 | 23032223220 |
11 | 984a0a9226 |
12 | 4569540a70 |
13 | 2230962066 |
14 | 1186cb94d6 |
15 | 8ec077680 |
hex | 55cd3d5f4 |
23032223220 has 48 divisors (see below), whose sum is σ = 68283770688. Its totient is φ = 5780636160.
The previous prime is 23032223213. The next prime is 23032223243. The reversal of 23032223220 is 2232223032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289286 + ... + 11291325.
It is an arithmetic number, because the mean of its divisors is an integer number (1422578556).
Almost surely, 223032223220 is an apocalyptic number.
23032223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23032223220 is an abundant number, since it is smaller than the sum of its proper divisors (45251547468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23032223220 is a wasteful number, since it uses less digits than its factorization.
23032223220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22580640 (or 22580638 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 21.
Adding to 23032223220 its reverse (2232223032), we get a palindrome (25264446252).
The spelling of 23032223220 in words is "twenty-three billion, thirty-two million, two hundred twenty-three thousand, two hundred twenty".
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