Base | Representation |
---|---|
bin | 10101101000000101… |
… | …111001011101100110 |
3 | 2012221022210211211001 |
4 | 111220011321131212 |
5 | 340024112304110 |
6 | 14400115103514 |
7 | 1451305024351 |
oct | 255005713546 |
9 | 65838724731 |
10 | 23221213030 |
11 | 9936851054 |
12 | 46008a1b9a |
13 | 2260b62a52 |
14 | 11a4033298 |
15 | 90d95963a |
hex | 568179766 |
23221213030 has 32 divisors (see below), whose sum is σ = 42847462944. Its totient is φ = 9056092416.
The previous prime is 23221212961. The next prime is 23221213039. The reversal of 23221213030 is 3031212232.
It is a junction number, because it is equal to n+sod(n) for n = 23221212989 and 23221213007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23221213039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191034 + ... + 287986.
It is an arithmetic number, because the mean of its divisors is an integer number (1338983217).
Almost surely, 223221213030 is an apocalyptic number.
23221213030 is a deficient number, since it is larger than the sum of its proper divisors (19626249914).
23221213030 is a wasteful number, since it uses less digits than its factorization.
23221213030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97560.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23221213030 its reverse (3031212232), we get a palindrome (26252425262).
The spelling of 23221213030 in words is "twenty-three billion, two hundred twenty-one million, two hundred thirteen thousand, thirty".
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