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11142232230 = 235371407741
BaseRepresentation
bin10100110000010000…
…01111100010100110
31001202112002001011210
422120020033202212
5140304402412410
65041344412250
7543054261033
oct123010174246
931675061153
1011142232230
1147a8554a98
1221ab617086
131087536a2c
14779b3638a
154532d7220
hex29820f8a6

11142232230 has 16 divisors (see below), whose sum is σ = 26741357424. Its totient is φ = 2971261920.

The previous prime is 11142232229. The next prime is 11142232243. The reversal of 11142232230 is 3223224111.

It is a junction number, because it is equal to n+sod(n) for n = 11142232197 and 11142232206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185703841 + ... + 185703900.

It is an arithmetic number, because the mean of its divisors is an integer number (1671334839).

Almost surely, 211142232230 is an apocalyptic number.

11142232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142232230 is an abundant number, since it is smaller than the sum of its proper divisors (15599125194).

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

11142232230 is a wasteful number, since it uses less digits than its factorization.

11142232230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371407751.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11142232230 its reverse (3223224111), we get a palindrome (14365456341).

It can be divided in two parts, 11 and 142232230, that added together give a palindrome (142232241).

The spelling of 11142232230 in words is "eleven billion, one hundred forty-two million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 371407741 742815482 1114223223 1857038705 2228446446 3714077410 5571116115 11142232230