Base | Representation |
---|---|
bin | 110111111110111001… |
… | …0011111011001011011 |
3 | 102111022110212210101122 |
4 | 1233331302133121123 |
5 | 3432203312112233 |
6 | 131121302235455 |
7 | 11454133020014 |
oct | 1577562373133 |
9 | 374273783348 |
10 | 120221988443 |
11 | 46a931a6347 |
12 | 1b372125b8b |
13 | b44c19cb8b |
14 | 5b66a1000b |
15 | 31d9704d98 |
hex | 1bfdc9f65b |
120221988443 has 2 divisors, whose sum is σ = 120221988444. Its totient is φ = 120221988442.
The previous prime is 120221988437. The next prime is 120221988511. The reversal of 120221988443 is 344889122021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 120221988443 - 210 = 120221987419 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 120221988394 and 120221988403.
It is not a weakly prime, because it can be changed into another prime (120221988433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110994221 + 60110994222.
It is an arithmetic number, because the mean of its divisors is an integer number (60110994222).
Almost surely, 2120221988443 is an apocalyptic number.
120221988443 is a deficient number, since it is larger than the sum of its proper divisors (1).
120221988443 is an equidigital number, since it uses as much as digits as its factorization.
120221988443 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 221184, while the sum is 44.
The spelling of 120221988443 in words is "one hundred twenty billion, two hundred twenty-one million, nine hundred eighty-eight thousand, four hundred forty-three".
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