Base | Representation |
---|---|
bin | 10101101100100100… |
… | …00011110110101101 |
3 | 1010001202222220212111 |
4 | 22312102003312231 |
5 | 142323404403120 |
6 | 5203455404021 |
7 | 561436256122 |
oct | 126622036655 |
9 | 33052886774 |
10 | 11648122285 |
11 | 4a38074748 |
12 | 2310b23611 |
13 | 11382a1a67 |
14 | 7c6dc2749 |
15 | 48291575a |
hex | 2b6483dad |
11648122285 has 4 divisors (see below), whose sum is σ = 13977746748. Its totient is φ = 9318497824.
The previous prime is 11648122261. The next prime is 11648122289. The reversal of 11648122285 is 58222184611.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58222184611 = 4643 ⋅12539777.
It can be written as a sum of positive squares in 2 ways, for example, as 2904563236 + 8743559049 = 53894^2 + 93507^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11648122285 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11648122289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164812224 + ... + 1164812233.
It is an arithmetic number, because the mean of its divisors is an integer number (3494436687).
Almost surely, 211648122285 is an apocalyptic number.
It is an amenable number.
11648122285 is a deficient number, since it is larger than the sum of its proper divisors (2329624463).
11648122285 is an equidigital number, since it uses as much as digits as its factorization.
11648122285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2329624462.
The product of its digits is 61440, while the sum is 40.
The spelling of 11648122285 in words is "eleven billion, six hundred forty-eight million, one hundred twenty-two thousand, two hundred eighty-five".
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