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11240223140 = 2251035456419
BaseRepresentation
bin10100111011111100…
…00011000110100100
31002000100110111102202
422131332003012210
5141004444120030
65055204554032
7545354214566
oct123576030644
932010414382
1011240223140
1148488a4013
1222183b2918
1310a1925c13
14788b63336
1545bbe1745
hex29df831a4

11240223140 has 24 divisors (see below), whose sum is σ = 23833642560. Its totient is φ = 4452437088.

The previous prime is 11240223139. The next prime is 11240223143. The reversal of 11240223140 is 4132204211.

11240223140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11240223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726150 + ... + 2730269.

It is an arithmetic number, because the mean of its divisors is an integer number (993068440).

Almost surely, 211240223140 is an apocalyptic number.

11240223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11240223140 is an abundant number, since it is smaller than the sum of its proper divisors (12593419420).

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

11240223140 is a wasteful number, since it uses less digits than its factorization.

11240223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456531 (or 5456529 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11240223140 its reverse (4132204211), we get a palindrome (15372427351).

The spelling of 11240223140 in words is "eleven billion, two hundred forty million, two hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 5456419 10912838 21825676 27282095 54564190 109128380 562011157 1124022314 2248044628 2810055785 5620111570 11240223140