Search a number
-
+
11254344520 = 235281358613
BaseRepresentation
bin10100111101100111…
…11010101101001000
31002001100000221022211
422132303322231020
5141022103011040
65100431354504
7545615231026
oct123663725510
932040027284
1011254344520
114855869681
122221082a34
1310a482b673
1478a99b716
1545d0808ea
hex29ecfab48

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".

Divisors: 1 2 4 5 8 10 20 40 281358613 562717226 1125434452 1406793065 2250868904 2813586130 5627172260 11254344520