Base | Representation |
---|---|
bin | 100100011010110… |
… | …1110000111110110 |
3 | 10011011111011121121 |
4 | 1020311232013312 |
5 | 10000320321402 |
6 | 321132334154 |
7 | 42166120651 |
oct | 11065560766 |
9 | 3134434547 |
10 | 1222042102 |
11 | 5778a1356 |
12 | 2a131435a |
13 | 166241248 |
14 | b842a898 |
15 | 72441837 |
hex | 48d6e1f6 |
1222042102 has 16 divisors (see below), whose sum is σ = 1868763600. Its totient is φ = 599172480.
The previous prime is 1222042061. The next prime is 1222042109. The reversal of 1222042102 is 2012402221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222042109) by changing a digit.
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, 35602 + ... + 60922.
It is an arithmetic number, because the mean of its divisors is an integer number (116797725).
Almost surely, 21222042102 is an apocalyptic number.
1222042102 is a deficient number, since it is larger than the sum of its proper divisors (646721498).
1222042102 is a wasteful number, since it uses less digits than its factorization.
1222042102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25791.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 1222042102 is about 34957.7187756867. The cubic root of 1222042102 is about 1069.1255854368.
Adding to 1222042102 its reverse (2012402221), we get a palindrome (3234444323).
The spelling of 1222042102 in words is "one billion, two hundred twenty-two million, forty-two thousand, one hundred two".
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