Base | Representation |
---|---|
bin | 1100001110010011111… |
… | …0110110101001011101 |
3 | 202002001021021000120010 |
4 | 3003210332312221131 |
5 | 11420040012042341 |
6 | 240250035113433 |
7 | 21112666334064 |
oct | 3034476665135 |
9 | 662037230503 |
10 | 210000112221 |
11 | 81073652559 |
12 | 34848742879 |
13 | 16a59048743 |
14 | a2422731db |
15 | 56e1355716 |
hex | 30e4fb6a5d |
210000112221 has 8 divisors (see below), whose sum is σ = 280038624480. Its totient is φ = 139980837392.
The previous prime is 210000112207. The next prime is 210000112229. The reversal of 210000112221 is 122211000012.
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 210000112221 - 222 = 209995917917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 210000112197 and 210000112206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210000112229) 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, 4783866 + ... + 4827563.
It is an arithmetic number, because the mean of its divisors is an integer number (35004828060).
Almost surely, 2210000112221 is an apocalyptic number.
It is an amenable number.
210000112221 is a deficient number, since it is larger than the sum of its proper divisors (70038512259).
210000112221 is an equidigital number, since it uses as much as digits as its factorization.
210000112221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9618715.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 210000112221 its reverse (122211000012), we get a palindrome (332211112233).
The spelling of 210000112221 in words is "two hundred ten billion, one hundred twelve thousand, two hundred twenty-one".
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