Base | Representation |
---|---|
bin | 110111111000111000… |
… | …0110011110100010101 |
3 | 102110210102012221202222 |
4 | 1233301300303310111 |
5 | 3431300134034310 |
6 | 131045253512125 |
7 | 11446133022233 |
oct | 1576160636425 |
9 | 373712187688 |
10 | 120020221205 |
11 | 4699a316665 |
12 | 1b316642645 |
13 | b419447391 |
14 | 5b47ccb953 |
15 | 31c6b4c055 |
hex | 1bf1c33d15 |
120020221205 has 16 divisors (see below), whose sum is σ = 147689365824. Its totient is φ = 93582343680.
The previous prime is 120020221199. The next prime is 120020221219. The reversal of 120020221205 is 502122020021.
It is not a de Polignac number, because 120020221205 - 26 = 120020221141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497276 + ... + 698085.
It is an arithmetic number, because the mean of its divisors is an integer number (9230585364).
Almost surely, 2120020221205 is an apocalyptic number.
It is an amenable number.
120020221205 is a deficient number, since it is larger than the sum of its proper divisors (27669144619).
120020221205 is a wasteful number, since it uses less digits than its factorization.
120020221205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1195876.
The product of its (nonzero) digits is 160, while the sum is 17.
Adding to 120020221205 its reverse (502122020021), we get a palindrome (622142241226).
The spelling of 120020221205 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, two hundred five".
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