Base | Representation |
---|---|
bin | 10101101000001001… |
… | …000000111011000101 |
3 | 2012221101100100111222 |
4 | 111220021000323011 |
5 | 340024314430041 |
6 | 14400144410125 |
7 | 1451314666301 |
oct | 255011007305 |
9 | 65841310458 |
10 | 23222030021 |
11 | 9937259953 |
12 | 4601016945 |
13 | 226108a888 |
14 | 11a41a6d01 |
15 | 90da6b74b |
hex | 568240ec5 |
23222030021 has 8 divisors (see below), whose sum is σ = 24205620000. Its totient is φ = 22257175248.
The previous prime is 23222029991. The next prime is 23222030047. The reversal of 23222030021 is 12003022232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23222030021 - 214 = 23222013637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23222030081) 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, 4681271 + ... + 4686228.
It is an arithmetic number, because the mean of its divisors is an integer number (3025702500).
Almost surely, 223222030021 is an apocalyptic number.
It is an amenable number.
23222030021 is a deficient number, since it is larger than the sum of its proper divisors (983589979).
23222030021 is an equidigital number, since it uses as much as digits as its factorization.
23222030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9367603.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23222030021 its reverse (12003022232), we get a palindrome (35225052253).
The spelling of 23222030021 in words is "twenty-three billion, two hundred twenty-two million, thirty thousand, twenty-one".
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