Base | Representation |
---|---|
bin | 10001011101101100010… |
… | …000110001000100101101 |
3 | 11020201200212211222110120 |
4 | 101131230100301010231 |
5 | 124130312211211341 |
6 | 2315153545355153 |
7 | 152463620321361 |
oct | 21355420610455 |
9 | 4221625758416 |
10 | 1200112210221 |
11 | 422a68068311 |
12 | 17470b198ab9 |
13 | 892299150a2 |
14 | 4212b3b72a1 |
15 | 2133e9a3066 |
hex | 1176c43112d |
1200112210221 has 8 divisors (see below), whose sum is σ = 1627270793760. Its totient is φ = 786514216752.
The previous prime is 1200112210201. The next prime is 1200112210223. The reversal of 1200112210221 is 1220122110021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1200112210221 - 219 = 1200111685933 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1200112210221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200112210223) 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, 3390147310 + ... + 3390147663.
It is an arithmetic number, because the mean of its divisors is an integer number (203408849220).
Almost surely, 21200112210221 is an apocalyptic number.
It is an amenable number.
1200112210221 is a deficient number, since it is larger than the sum of its proper divisors (427158583539).
1200112210221 is an equidigital number, since it uses as much as digits as its factorization.
1200112210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6780295035.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1200112210221 its reverse (1220122110021), we get a palindrome (2420234320242).
The spelling of 1200112210221 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".
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