Base | Representation |
---|---|
bin | 10001110000001111100… |
… | …101111010101101111111 |
3 | 11022122010011000220102011 |
4 | 101300033211322231333 |
5 | 124442111232411033 |
6 | 2332250342312051 |
7 | 154100352346423 |
oct | 21601745725577 |
9 | 4278104026364 |
10 | 1220032310143 |
11 | 43045a484209 |
12 | 17854a428627 |
13 | 8b082895c6a |
14 | 4309ac20b83 |
15 | 21b086d9ccd |
hex | 11c0f97ab7f |
1220032310143 has 6 divisors (see below), whose sum is σ = 1296020482016. Its totient is φ = 1148265703392.
The previous prime is 1220032310117. The next prime is 1220032310149. The reversal of 1220032310143 is 3410132300221.
It is not a de Polignac number, because 1220032310143 - 221 = 1220030212991 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 (1220032310149) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2110782255 + ... + 2110782832.
Almost surely, 21220032310143 is an apocalyptic number.
1220032310143 is a deficient number, since it is larger than the sum of its proper divisors (75988171873).
1220032310143 is an equidigital number, since it uses as much as digits as its factorization.
1220032310143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4221565121 (or 4221565104 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 1220032310143 its reverse (3410132300221), we get a palindrome (4630164610364).
The spelling of 1220032310143 in words is "one trillion, two hundred twenty billion, thirty-two million, three hundred ten thousand, one hundred forty-three".
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