Base | Representation |
---|---|
bin | 1100111000111001000… |
… | …1100111000101111111 |
3 | 210011112212012101210102 |
4 | 3032032101213011333 |
5 | 12111442130011333 |
6 | 245420152031315 |
7 | 21666151415441 |
oct | 3161621470577 |
9 | 704485171712 |
10 | 221430313343 |
11 | 859a9703868 |
12 | 36ab869253b |
13 | 17b5b12a065 |
14 | aa0832a491 |
15 | 5b5ea71ae8 |
hex | 338e46717f |
221430313343 has 8 divisors (see below), whose sum is σ = 223046485200. Its totient is φ = 219814472448.
The previous prime is 221430313303. The next prime is 221430313369. The reversal of 221430313343 is 343313034122.
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 221430313343 - 214 = 221430296959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221430313303) 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, 1350413 + ... + 1505481.
It is an arithmetic number, because the mean of its divisors is an integer number (27880810650).
Almost surely, 2221430313343 is an apocalyptic number.
221430313343 is a deficient number, since it is larger than the sum of its proper divisors (1616171857).
221430313343 is a wasteful number, since it uses less digits than its factorization.
221430313343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165481.
The product of its (nonzero) digits is 15552, while the sum is 29.
Adding to 221430313343 its reverse (343313034122), we get a palindrome (564743347465).
The spelling of 221430313343 in words is "two hundred twenty-one billion, four hundred thirty million, three hundred thirteen thousand, three hundred forty-three".
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