Base | Representation |
---|---|
bin | 10001100111000000111… |
… | …001111001001101101001 |
3 | 11021200112111102202201122 |
4 | 101213000321321031221 |
5 | 124311312241242301 |
6 | 2323531130425025 |
7 | 153266646041540 |
oct | 21470071711551 |
9 | 4250474382648 |
10 | 1210122212201 |
11 | 427234493a21 |
12 | 176643592175 |
13 | 8a1636c4c96 |
14 | 427da9c1157 |
15 | 2172868981b |
hex | 119c0e79369 |
1210122212201 has 8 divisors (see below), whose sum is σ = 1385746314624. Its totient is φ = 1035185484960.
The previous prime is 1210122212153. The next prime is 1210122212227. The reversal of 1210122212201 is 1022122210121.
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 1210122212201 - 26 = 1210122212137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1210122212201.
It is not an unprimeable number, because it can be changed into a prime (1210122212251) 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, 171840020 + ... + 171847061.
It is an arithmetic number, because the mean of its divisors is an integer number (173218289328).
Almost surely, 21210122212201 is an apocalyptic number.
It is an amenable number.
1210122212201 is a deficient number, since it is larger than the sum of its proper divisors (175624102423).
1210122212201 is an equidigital number, since it uses as much as digits as its factorization.
1210122212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343687591.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1210122212201 its reverse (1022122210121), we get a palindrome (2232244422322).
The spelling of 1210122212201 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred twelve thousand, two hundred one".
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