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11135231450 = 252731814947
BaseRepresentation
bin10100101111011011…
…00010010111011010
31001202000220100220122
422113231202113122
5140301104401300
65040534353242
7542640622430
oct122755422732
931660810818
1011135231450
1147a4603222
1221a91bb822
131085c55365
14778c32d50
154528a2c85
hex297b625da

11135231450 has 24 divisors (see below), whose sum is σ = 23670321312. Its totient is φ = 3817793520.

The previous prime is 11135231417. The next prime is 11135231461. The reversal of 11135231450 is 5413253111.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15907124 + ... + 15907823.

It is an arithmetic number, because the mean of its divisors is an integer number (986263388).

Almost surely, 211135231450 is an apocalyptic number.

11135231450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11135231450 is an abundant number, since it is smaller than the sum of its proper divisors (12535089862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11135231450 is a wasteful number, since it uses less digits than its factorization.

11135231450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31814966 (or 31814961 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11135231450 its reverse (5413253111), we get a palindrome (16548484561).

The spelling of 11135231450 in words is "eleven billion, one hundred thirty-five million, two hundred thirty-one thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 31814947 63629894 159074735 222704629 318149470 445409258 795373675 1113523145 1590747350 2227046290 5567615725 11135231450