Base | Representation |
---|---|
bin | 10001110000101110000… |
… | …110101011010110011110 |
3 | 11022200102211021100002012 |
4 | 101300232012223112132 |
5 | 124444133304330210 |
6 | 2332413230231222 |
7 | 154116136433642 |
oct | 21605606532636 |
9 | 4280384240065 |
10 | 1220544214430 |
11 | 4306a2431502 |
12 | 178671955512 |
13 | 8b1349585c8 |
14 | 43108bd4c22 |
15 | 21b38605305 |
hex | 11c2e1ab59e |
1220544214430 has 16 divisors (see below), whose sum is σ = 2201724690624. Its totient is φ = 487163218080.
The previous prime is 1220544214349. The next prime is 1220544214469. The reversal of 1220544214430 is 344124450221.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131803601 + ... + 131812860.
It is an arithmetic number, because the mean of its divisors is an integer number (137607793164).
Almost surely, 21220544214430 is an apocalyptic number.
1220544214430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220544214430 is a deficient number, since it is larger than the sum of its proper divisors (981180476194).
1220544214430 is a wasteful number, since it uses less digits than its factorization.
1220544214430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263616931.
The product of its (nonzero) digits is 30720, while the sum is 32.
Adding to 1220544214430 its reverse (344124450221), we get a palindrome (1564668664651).
The spelling of 1220544214430 in words is "one trillion, two hundred twenty billion, five hundred forty-four million, two hundred fourteen thousand, four hundred thirty".
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