Base | Representation |
---|---|
bin | 100000010100101010011… |
… | …100100101111010101011 |
3 | 21212100022221220212202222 |
4 | 200110222130211322223 |
5 | 242343014304333233 |
6 | 4420224311544255 |
7 | 316322442303431 |
oct | 40245234457253 |
9 | 7770287825688 |
10 | 2221210230443 |
11 | 7870122a5056 |
12 | 2ba59a98b08b |
13 | 1315c7bc5059 |
14 | 7971588ad51 |
15 | 3cba3579898 |
hex | 2052a725eab |
2221210230443 has 8 divisors (see below), whose sum is σ = 2252610279936. Its totient is φ = 2189813386600.
The previous prime is 2221210230413. The next prime is 2221210230509. The reversal of 2221210230443 is 3440320121222.
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-2221210230443 is a prime.
It is a super-4 number, since 4×22212102304434 (a number of 50 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2221210230413) 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, 611678 + ... + 2194668.
It is an arithmetic number, because the mean of its divisors is an integer number (281576284992).
Almost surely, 22221210230443 is an apocalyptic number.
2221210230443 is a deficient number, since it is larger than the sum of its proper divisors (31400049493).
2221210230443 is a wasteful number, since it uses less digits than its factorization.
2221210230443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1602825.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 2221210230443 its reverse (3440320121222), we get a palindrome (5661530351665).
The spelling of 2221210230443 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, two hundred thirty thousand, four hundred forty-three".
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