Base | Representation |
---|---|
bin | 111000110111001010… |
… | …0101100000000110101 |
3 | 102200012001111210000020 |
4 | 1301232110230000311 |
5 | 4000040130014310 |
6 | 132032505035353 |
7 | 11551666612263 |
oct | 1615624540065 |
9 | 380161453006 |
10 | 122110001205 |
11 | 47871a04275 |
12 | 1b7ba485b59 |
13 | b6903974aa |
14 | 5ca5677433 |
15 | 329a346170 |
hex | 1c6e52c035 |
122110001205 has 8 divisors (see below), whose sum is σ = 195376001952. Its totient is φ = 65125333968.
The previous prime is 122110001197. The next prime is 122110001219. The reversal of 122110001205 is 502100011221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122110001205 - 23 = 122110001197 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 8140666747 = 122110001205 / (1 + 2 + 2 + 1 + 1 + 0 + 0 + 0 + 1 + 2 + 0 + 5).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4070333359 + ... + 4070333388.
It is an arithmetic number, because the mean of its divisors is an integer number (24422000244).
Almost surely, 2122110001205 is an apocalyptic number.
122110001205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122110001205 is a deficient number, since it is larger than the sum of its proper divisors (73266000747).
122110001205 is an equidigital number, since it uses as much as digits as its factorization.
122110001205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8140666755.
The product of its (nonzero) digits is 40, while the sum is 15.
Adding to 122110001205 its reverse (502100011221), we get a palindrome (624210012426).
The spelling of 122110001205 in words is "one hundred twenty-two billion, one hundred ten million, one thousand, two hundred five".
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