Base | Representation |
---|---|
bin | 1100111000000111101… |
… | …1010100101110010101 |
3 | 210011000102101010100102 |
4 | 3032001323110232111 |
5 | 12111031111104331 |
6 | 245343431423445 |
7 | 21661054462253 |
oct | 3160173245625 |
9 | 704012333312 |
10 | 221223144341 |
11 | 85902774711 |
12 | 36a5b224b85 |
13 | 17b27232954 |
14 | a9c89dd5d3 |
15 | 5b4b79d4cb |
hex | 3381ed4b95 |
221223144341 has 8 divisors (see below), whose sum is σ = 226374181440. Its totient is φ = 216072394272.
The previous prime is 221223144319. The next prime is 221223144413. The reversal of 221223144341 is 143441322122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-221223144341 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 (221223144301) 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, 2998625 + ... + 3071513.
It is an arithmetic number, because the mean of its divisors is an integer number (28296772680).
Almost surely, 2221223144341 is an apocalyptic number.
It is an amenable number.
221223144341 is a deficient number, since it is larger than the sum of its proper divisors (5151037099).
221223144341 is an equidigital number, since it uses as much as digits as its factorization.
221223144341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143515.
The product of its digits is 9216, while the sum is 29.
Adding to 221223144341 its reverse (143441322122), we get a palindrome (364664466463).
The spelling of 221223144341 in words is "two hundred twenty-one billion, two hundred twenty-three million, one hundred forty-four thousand, three hundred forty-one".
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