Base | Representation |
---|---|
bin | 100100011100111… |
… | …0111111111111100 |
3 | 10011020112111111001 |
4 | 1020321313333330 |
5 | 10001110144012 |
6 | 321211540044 |
7 | 42211304656 |
oct | 11071677774 |
9 | 3136474431 |
10 | 1223131132 |
11 | 578475583 |
12 | 2a175a624 |
13 | 166532b42 |
14 | b86316d6 |
15 | 725a9357 |
hex | 48e77ffc |
1223131132 has 6 divisors (see below), whose sum is σ = 2140479488. Its totient is φ = 611565564.
The previous prime is 1223131127. The next prime is 1223131141. The reversal of 1223131132 is 2311313221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152891388 + ... + 152891395.
Almost surely, 21223131132 is an apocalyptic number.
It is an amenable number.
1223131132 is a deficient number, since it is larger than the sum of its proper divisors (917348356).
1223131132 is a wasteful number, since it uses less digits than its factorization.
1223131132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305782787 (or 305782785 counting only the distinct ones).
The product of its digits is 216, while the sum is 19.
The square root of 1223131132 is about 34973.2916952351. The cubic root of 1223131132 is about 1069.4430769933.
Adding to 1223131132 its reverse (2311313221), we get a palindrome (3534444353).
It can be divided in two parts, 1223 and 131132, that added together give a triangular number (132355 = T514).
The spelling of 1223131132 in words is "one billion, two hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-two".
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