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11112120230 = 254746750627
BaseRepresentation
bin10100101100101010…
…10111111110100110
31001200102102012021112
422112111113332212
5140224200321410
65034351145022
7542240314661
oct122625277646
931612365245
1011112120230
114792558442
1221a1515172
131081222a93
14775b386d8
1545083a105
hex296557fa6

11112120230 has 32 divisors (see below), whose sum is σ = 20471533056. Its totient is φ = 4340875744.

The previous prime is 11112120209. The next prime is 11112120233. The reversal of 11112120230 is 3202121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112120233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194177 + ... + 244803.

It is an arithmetic number, because the mean of its divisors is an integer number (639735408).

Almost surely, 211112120230 is an apocalyptic number.

11112120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112120230 is a deficient number, since it is larger than the sum of its proper divisors (9359412826).

11112120230 is a wasteful number, since it uses less digits than its factorization.

11112120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51148.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11112120230 its reverse (3202121111), we get a palindrome (14314241341).

The spelling of 11112120230 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 467 470 934 2335 4670 21949 43898 50627 101254 109745 219490 253135 506270 2379469 4758938 11897345 23642809 23794690 47285618 118214045 236428090 1111212023 2222424046 5556060115 11112120230