Base | Representation |
---|---|
bin | 10100111101100111… |
… | …11010101101001000 |
3 | 1002001100000221022211 |
4 | 22132303322231020 |
5 | 141022103011040 |
6 | 5100431354504 |
7 | 545615231026 |
oct | 123663725510 |
9 | 32040027284 |
10 | 11254344520 |
11 | 4855869681 |
12 | 2221082a34 |
13 | 10a482b673 |
14 | 78a99b716 |
15 | 45d0808ea |
hex | 29ecfab48 |
11254344520 has 16 divisors (see below), whose sum is σ = 25322275260. Its totient is φ = 4501737792.
The previous prime is 11254344467. The next prime is 11254344523. The reversal of 11254344520 is 2544345211.
It can be written as a sum of positive squares in 2 ways, for example, as 10985974596 + 268369924 = 104814^2 + 16382^2 .
It is not an unprimeable number, because it can be changed into a prime (11254344523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140679267 + ... + 140679346.
Almost surely, 211254344520 is an apocalyptic number.
11254344520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11254344520 is an abundant number, since it is smaller than the sum of its proper divisors (14067930740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11254344520 is a wasteful number, since it uses less digits than its factorization.
11254344520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281358624 (or 281358620 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 11254344520 its reverse (2544345211), we get a palindrome (13798689731).
The spelling of 11254344520 in words is "eleven billion, two hundred fifty-four million, three hundred forty-four thousand, five hundred twenty".
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