Base | Representation |
---|---|
bin | 1100011110000111110… |
… | …0000100111111111101 |
3 | 202111000000220212212220 |
4 | 3013201330010333331 |
5 | 12002232432121341 |
6 | 242231120515553 |
7 | 21323111060520 |
oct | 3074174047775 |
9 | 674000825786 |
10 | 214244020221 |
11 | 82951189440 |
12 | 35631a7bbb9 |
13 | 172843589ca |
14 | a525b58bb7 |
15 | 588dc09a66 |
hex | 31e1f04ffd |
214244020221 has 32 divisors (see below), whose sum is σ = 358504544256. Its totient is φ = 110558520000.
The previous prime is 214244020219. The next prime is 214244020229. The reversal of 214244020221 is 122020442412.
It is a happy number.
It is not a de Polignac number, because 214244020221 - 21 = 214244020219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 214244020191 and 214244020200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214244020229) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 3036190 + ... + 3105951.
It is an arithmetic number, because the mean of its divisors is an integer number (11203267008).
Almost surely, 2214244020221 is an apocalyptic number.
214244020221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
214244020221 is a deficient number, since it is larger than the sum of its proper divisors (144260524035).
214244020221 is a wasteful number, since it uses less digits than its factorization.
214244020221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6142313.
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 214244020221 its reverse (122020442412), we get a palindrome (336264462633).
The spelling of 214244020221 in words is "two hundred fourteen billion, two hundred forty-four million, twenty thousand, two hundred twenty-one".
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