| Base | Representation |
|---|---|
| bin | 10100100110101001… |
| … | …010110011001010000 |
| 3 | 2010002210201112021000 |
| 4 | 110212221112121100 |
| 5 | 330302020212240 |
| 6 | 14055133102000 |
| 7 | 1412143120311 |
| oct | 244651263120 |
| 9 | 63083645230 |
| 10 | 22123210320 |
| 11 | 9422a803a2 |
| 12 | 4355027900 |
| 13 | 21175311c3 |
| 14 | 10dc294608 |
| 15 | 89736a430 |
| hex | 526a56650 |
22123210320 has 160 divisors (see below), whose sum is σ = 76590455040. Its totient is φ = 5869463040.
The previous prime is 22123210313. The next prime is 22123210327. The reversal of 22123210320 is 2301232122.
22123210320 is a `hidden beast` number, since 2 + 21 + 2 + 321 + 0 + 320 = 666.
It is an interprime number because it is at equal distance from previous prime (22123210313) and next prime (22123210327).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 22123210293 and 22123210302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22123210327) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399525 + ... + 451515.
It is an arithmetic number, because the mean of its divisors is an integer number (478690344).
Almost surely, 222123210320 is an apocalyptic number.
22123210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22123210320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38295227520).
22123210320 is an abundant number, since it is smaller than the sum of its proper divisors (54467244720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22123210320 is a wasteful number, since it uses less digits than its factorization.
22123210320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52210 (or 52198 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22123210320 its reverse (2301232122), we get a palindrome (24424442442).
The spelling of 22123210320 in words is "twenty-two billion, one hundred twenty-three million, two hundred ten thousand, three hundred twenty".
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