Search a number
-
+
11054142530 = 257315142661
BaseRepresentation
bin10100100101110000…
…01101010001000010
31001112101022121211022
422102320031101002
5140114330030110
65024520345442
7540634442534
oct122270152102
931471277738
1011054142530
114762858992
122186015282
131072203452
1476c165854
1544a6d6755
hex292e0d442

11054142530 has 16 divisors (see below), whose sum is σ = 20170025784. Its totient is φ = 4361086080.

The previous prime is 11054142523. The next prime is 11054142559. The reversal of 11054142530 is 3524145011.

It can be written as a sum of positive squares in 4 ways, for example, as 10317074329 + 737068201 = 101573^2 + 27149^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11054142530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7570601 + ... + 7572060.

Almost surely, 211054142530 is an apocalyptic number.

11054142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11054142530 is a deficient number, since it is larger than the sum of its proper divisors (9115883254).

11054142530 is a wasteful number, since it uses less digits than its factorization.

11054142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15142741.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11054142530 its reverse (3524145011), we get a palindrome (14578287541).

The spelling of 11054142530 in words is "eleven billion, fifty-four million, one hundred forty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 15142661 30285322 75713305 151426610 1105414253 2210828506 5527071265 11054142530