Base | Representation |
---|---|
bin | 100100011101010… |
… | …1000110011101111 |
3 | 10011020220122201121 |
4 | 1020322220303233 |
5 | 10001133043210 |
6 | 321220121411 |
7 | 42213066562 |
oct | 11072506357 |
9 | 3136818647 |
10 | 1223331055 |
11 | 5785a1801 |
12 | 2a1836267 |
13 | 1665a2b3b |
14 | b86844d9 |
15 | 725e86da |
hex | 48ea8cef |
1223331055 has 16 divisors (see below), whose sum is σ = 1557072000. Its totient is φ = 920069280.
The previous prime is 1223331047. The next prime is 1223331059. The reversal of 1223331055 is 5501333221.
It is not a de Polignac number, because 1223331055 - 23 = 1223331047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223331059) 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 15 ways as a sum of consecutive naturals, for example, 36705 + ... + 61594.
It is an arithmetic number, because the mean of its divisors is an integer number (97317000).
Almost surely, 21223331055 is an apocalyptic number.
1223331055 is a deficient number, since it is larger than the sum of its proper divisors (333740945).
1223331055 is a wasteful number, since it uses less digits than its factorization.
1223331055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98454.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 1223331055 is about 34976.1498024011. The cubic root of 1223331055 is about 1069.5013412885.
Adding to 1223331055 its reverse (5501333221), we get a palindrome (6724664276).
The spelling of 1223331055 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, fifty-five".
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