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11131122230 = 255879189337
BaseRepresentation
bin10100101110111011…
…10111001000110110
31001201202011121010022
422113131313020312
5140244031402410
65040310325142
7542560656254
oct122735671066
931652147108
1011131122230
1147a2256978
1221a79597b2
131085146b77
147784835d4
15452340455
hex297777236

11131122230 has 16 divisors (see below), whose sum is σ = 20039533920. Its totient is φ = 4451668032.

The previous prime is 11131122209. The next prime is 11131122239. The reversal of 11131122230 is 3222113111.

It is a junction number, because it is equal to n+sod(n) for n = 11131122199 and 11131122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131122239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35879 + ... + 153458.

It is an arithmetic number, because the mean of its divisors is an integer number (1252470870).

Almost surely, 211131122230 is an apocalyptic number.

11131122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131122230 is a deficient number, since it is larger than the sum of its proper divisors (8908411690).

11131122230 is a wasteful number, since it uses less digits than its factorization.

11131122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195223.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11131122230 its reverse (3222113111), we get a palindrome (14353235341).

The spelling of 11131122230 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 5879 11758 29395 58790 189337 378674 946685 1893370 1113112223 2226224446 5565561115 11131122230