Base | Representation |
---|---|
bin | 10101100111011011… |
… | …111011011110010110 |
3 | 2012220120002220011200 |
4 | 111213123323132112 |
5 | 340013303224342 |
6 | 14355043213330 |
7 | 1451112353202 |
oct | 254733733626 |
9 | 65816086150 |
10 | 23210211222 |
11 | 9930617250 |
12 | 45b9077246 |
13 | 225b7b01c3 |
14 | 11a27abb02 |
15 | 90c9d494c |
hex | 5676fb796 |
23210211222 has 96 divisors (see below), whose sum is σ = 57654305280. Its totient is φ = 6684068160.
The previous prime is 23210211209. The next prime is 23210211239. The reversal of 23210211222 is 22211201232.
23210211222 is a `hidden beast` number, since 23 + 210 + 211 + 222 = 666.
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 = 23210211195 and 23210211204.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 278179 + ... + 351857.
It is an arithmetic number, because the mean of its divisors is an integer number (600565680).
Almost surely, 223210211222 is an apocalyptic number.
23210211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 23210211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28827152640).
23210211222 is an abundant number, since it is smaller than the sum of its proper divisors (34444094058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23210211222 is a wasteful number, since it uses less digits than its factorization.
23210211222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73778 (or 73775 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 23210211222 its reverse (22211201232), we get a palindrome (45421412454).
It can be divided in two parts, 23210 and 211222, that added together give a palindrome (234432).
The spelling of 23210211222 in words is "twenty-three billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".
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