Base | Representation |
---|---|
bin | 101001001010010101000… |
… | …011010010110001100001 |
3 | 101000102002020111211222111 |
4 | 221022111003102301201 |
5 | 332320422310234111 |
6 | 10003234054035321 |
7 | 411234035031400 |
oct | 51122503226141 |
9 | 11012066454874 |
10 | 2828589149281 |
11 | 9a0663919585 |
12 | 398248948b41 |
13 | 1769724c850c |
14 | 9ac93b25637 |
15 | 4d8a110da21 |
hex | 292950d2c61 |
2828589149281 has 9 divisors (see below), whose sum is σ = 3290413317681. Its totient is φ = 2424494894052.
The previous prime is 2828589149233. The next prime is 2828589149311. The reversal of 2828589149281 is 1829419858282.
The square root of 2828589149281 is 1681841.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 2828589149281 - 221 = 2828587052129 is a prime.
It is a super-2 number, since 2×28285891492812 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2828589149231) 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 8 ways as a sum of consecutive naturals, for example, 11652756 + ... + 11893018.
Almost surely, 22828589149281 is an apocalyptic number.
2828589149281 is the 1681841-st square number.
2828589149281 is the 840921-st centered octagonal number.
It is an amenable number.
2828589149281 is a deficient number, since it is larger than the sum of its proper divisors (461824168400).
2828589149281 is an frugal number, since it uses more digits than its factorization.
2828589149281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480540 (or 240270 counting only the distinct ones).
The product of its digits is 53084160, while the sum is 67.
The spelling of 2828589149281 in words is "two trillion, eight hundred twenty-eight billion, five hundred eighty-nine million, one hundred forty-nine thousand, two hundred eighty-one".
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