Base | Representation |
---|---|
bin | 10101000000000100… |
… | …10100110101100011 |
3 | 1002002202201012110222 |
4 | 22200002110311203 |
5 | 141042333230122 |
6 | 5102444113255 |
7 | 546255026015 |
oct | 124002246543 |
9 | 32082635428 |
10 | 11274898787 |
11 | 4866428379 |
12 | 2227b3582b |
13 | 10a8b77159 |
14 | 78d5cc1b5 |
15 | 45ec90b42 |
hex | 2a0094d63 |
11274898787 has 4 divisors (see below), whose sum is σ = 11275901880. Its totient is φ = 11273895696.
The previous prime is 11274898781. The next prime is 11274898819. The reversal of 11274898787 is 78789847211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78789847211 = 197 ⋅399948463.
It is a cyclic number.
It is not a de Polignac number, because 11274898787 - 218 = 11274636643 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11274898781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484493 + ... + 507230.
It is an arithmetic number, because the mean of its divisors is an integer number (2818975470).
Almost surely, 211274898787 is an apocalyptic number.
11274898787 is a deficient number, since it is larger than the sum of its proper divisors (1003093).
11274898787 is an equidigital number, since it uses as much as digits as its factorization.
11274898787 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1003092.
The product of its digits is 12644352, while the sum is 62.
The spelling of 11274898787 in words is "eleven billion, two hundred seventy-four million, eight hundred ninety-eight thousand, seven hundred eighty-seven".
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