Base | Representation |
---|---|
bin | 10001110000011010110… |
… | …011100011001110111111 |
3 | 11022122121021000112221002 |
4 | 101300122303203032333 |
5 | 124443002412331333 |
6 | 2332321142400515 |
7 | 154105125356522 |
oct | 21603263431677 |
9 | 4278537015832 |
10 | 1220220433343 |
11 | 430546694a2a |
12 | 1785a143013b |
13 | 8b0b2852372 |
14 | 430b7bd0bb9 |
15 | 21b19e9a0e8 |
hex | 11c1ace33bf |
1220220433343 has 8 divisors (see below), whose sum is σ = 1263720134880. Its totient is φ = 1176815607520.
The previous prime is 1220220433331. The next prime is 1220220433357. The reversal of 1220220433343 is 3433340220221.
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 1220220433343 - 28 = 1220220433087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220220433363) 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 7 ways as a sum of consecutive naturals, for example, 23692748 + ... + 23744193.
It is an arithmetic number, because the mean of its divisors is an integer number (157965016860).
Almost surely, 21220220433343 is an apocalyptic number.
1220220433343 is a deficient number, since it is larger than the sum of its proper divisors (43499701537).
1220220433343 is an equidigital number, since it uses as much as digits as its factorization.
1220220433343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47437857.
The product of its (nonzero) digits is 20736, while the sum is 29.
Adding to 1220220433343 its reverse (3433340220221), we get a palindrome (4653560653564).
The spelling of 1220220433343 in words is "one trillion, two hundred twenty billion, two hundred twenty million, four hundred thirty-three thousand, three hundred forty-three".
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