Base | Representation |
---|---|
bin | 100110011001000… |
… | …1101010010111100 |
3 | 10022210000212110001 |
4 | 1030302031102330 |
5 | 10114241330301 |
6 | 331455124044 |
7 | 43631526550 |
oct | 11462152274 |
9 | 3283025401 |
10 | 1288230076 |
11 | 601199361 |
12 | 2bb513624 |
13 | 176b76923 |
14 | c3139860 |
15 | 78167c01 |
hex | 4cc8d4bc |
1288230076 has 48 divisors (see below), whose sum is σ = 2605317120. Its totient is φ = 545952960.
The previous prime is 1288230061. The next prime is 1288230089. The reversal of 1288230076 is 6700328821.
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, 1090206 + ... + 1091386.
It is an arithmetic number, because the mean of its divisors is an integer number (54277440).
Almost surely, 21288230076 is an apocalyptic number.
It is an amenable number.
1288230076 is an abundant number, since it is smaller than the sum of its proper divisors (1317087044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1288230076 is a wasteful number, since it uses less digits than its factorization.
1288230076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 1288230076 is about 35891.9221552705. The cubic root of 1288230076 is about 1088.0891459810.
Adding to 1288230076 its reverse (6700328821), we get a palindrome (7988558897).
The spelling of 1288230076 in words is "one billion, two hundred eighty-eight million, two hundred thirty thousand, seventy-six".
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