Base | Representation |
---|---|
bin | 1000010011111010… |
… | …1011001011011100 |
3 | 12202111001200020120 |
4 | 2010332223023130 |
5 | 14032120203200 |
6 | 1005214314540 |
7 | 106200243123 |
oct | 20476531334 |
9 | 5674050216 |
10 | 2231022300 |
11 | a45399091 |
12 | 5231b8a50 |
13 | 2972a3a50 |
14 | 172434aba |
15 | d0ce89a0 |
hex | 84fab2dc |
2231022300 has 144 divisors (see below), whose sum is σ = 7139980512. Its totient is φ = 534297600.
The previous prime is 2231022271. The next prime is 2231022307. The reversal of 2231022300 is 32201322.
It is a super-3 number, since 3×22310223003 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2231022300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231022307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136570 + ... + 152030.
It is an arithmetic number, because the mean of its divisors is an integer number (49583198).
Almost surely, 22231022300 is an apocalyptic number.
2231022300 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 2231022300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3569990256).
2231022300 is an abundant number, since it is smaller than the sum of its proper divisors (4908958212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231022300 is a wasteful number, since it uses less digits than its factorization.
2231022300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15528 (or 15521 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 2231022300 is about 47233.6987753447. The cubic root of 2231022300 is about 1306.6761685701.
Adding to 2231022300 its reverse (32201322), we get a palindrome (2263223622).
It can be divided in two parts, 2231022 and 300, that added together give a palindrome (2231322).
The spelling of 2231022300 in words is "two billion, two hundred thirty-one million, twenty-two thousand, three hundred".
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