Base | Representation |
---|---|
bin | 11010001011110001… |
… | …101111000110000100 |
3 | 2200120101002121200122 |
4 | 122023301233012010 |
5 | 430034401443011 |
6 | 20525451201112 |
7 | 2013466330613 |
oct | 321361570604 |
9 | 80511077618 |
10 | 28114874756 |
11 | 10a18128591 |
12 | 5547746198 |
13 | 286096bb87 |
14 | 1509d3387a |
15 | ae83a83db |
hex | 68bc6f184 |
28114874756 has 6 divisors (see below), whose sum is σ = 49201030830. Its totient is φ = 14057437376.
The previous prime is 28114874743. The next prime is 28114874761. The reversal of 28114874756 is 65747841182.
It can be written as a sum of positive squares in only one way, i.e., 18553164100 + 9561710656 = 136210^2 + 97784^2 .
It is a junction number, because it is equal to n+sod(n) for n = 28114874698 and 28114874707.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3514359341 + ... + 3514359348.
It is an arithmetic number, because the mean of its divisors is an integer number (8200171805).
Almost surely, 228114874756 is an apocalyptic number.
It is an amenable number.
28114874756 is a deficient number, since it is larger than the sum of its proper divisors (21086156074).
28114874756 is a wasteful number, since it uses less digits than its factorization.
28114874756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7028718693 (or 7028718691 counting only the distinct ones).
The product of its digits is 3010560, while the sum is 53.
The spelling of 28114874756 in words is "twenty-eight billion, one hundred fourteen million, eight hundred seventy-four thousand, seven hundred fifty-six".
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