Base | Representation |
---|---|
bin | 1100001110011001001… |
… | …0011001010001111111 |
3 | 202002002210110122110012 |
4 | 3003212102121101333 |
5 | 11420111113341111 |
6 | 240252140333435 |
7 | 21113353434656 |
oct | 3034622312177 |
9 | 662083418405 |
10 | 210022012031 |
11 | 81084a50177 |
12 | 34853b4427b |
13 | 16a60745800 |
14 | a24513419d |
15 | 56e322e48b |
hex | 30e649947f |
210022012031 has 12 divisors (see below), whose sum is σ = 228020408280. Its totient is φ = 193354892640.
The previous prime is 210022012027. The next prime is 210022012061. The reversal of 210022012031 is 130210220012.
It is a happy number.
It is not a de Polignac number, because 210022012031 - 22 = 210022012027 is a prime.
It is a super-2 number, since 2×2100220120312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 210022011997 and 210022012015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210022012061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1575440 + ... + 1703541.
It is an arithmetic number, because the mean of its divisors is an integer number (19001700690).
Almost surely, 2210022012031 is an apocalyptic number.
210022012031 is a deficient number, since it is larger than the sum of its proper divisors (17998396249).
210022012031 is a wasteful number, since it uses less digits than its factorization.
210022012031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3279386 (or 3279373 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 210022012031 its reverse (130210220012), we get a palindrome (340232232043).
The spelling of 210022012031 in words is "two hundred ten billion, twenty-two million, twelve thousand, thirty-one".
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