Base | Representation |
---|---|
bin | 100100010111001… |
… | …0100100100010110 |
3 | 10011000211121212121 |
4 | 1020232110210112 |
5 | 4444321234142 |
6 | 321023010154 |
7 | 42143461630 |
oct | 11056244426 |
9 | 3130747777 |
10 | 1220102422 |
11 | 576797010 |
12 | 2a073995a |
13 | 165a123c6 |
14 | b8083a50 |
15 | 721abc67 |
hex | 48b94916 |
1220102422 has 64 divisors (see below), whose sum is σ = 2354780160. Its totient is φ = 460368000.
The previous prime is 1220102381. The next prime is 1220102437. The reversal of 1220102422 is 2242010221.
It is a junction number, because it is equal to n+sod(n) for n = 1220102396 and 1220102405.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730204 + ... + 731872.
It is an arithmetic number, because the mean of its divisors is an integer number (36793440).
Almost surely, 21220102422 is an apocalyptic number.
1220102422 is a deficient number, since it is larger than the sum of its proper divisors (1134677738).
1220102422 is a wasteful number, since it uses less digits than its factorization.
1220102422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1837.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 1220102422 is about 34929.9645290401. The cubic root of 1220102422 is about 1068.5596312116.
Adding to 1220102422 its reverse (2242010221), we get a palindrome (3462112643).
The spelling of 1220102422 in words is "one billion, two hundred twenty million, one hundred two thousand, four hundred twenty-two".
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