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11312112230 = 252294939787
BaseRepresentation
bin10101000100100000…
…10010001001100110
31002012100201211201122
422202100102021212
5141131400042410
65110253453542
7550216240016
oct124220221146
932170654648
1011312112230
114885435391
1222384a12b2
1310b37a6543
14794517c46
15463191e55
hex2a2412266

11312112230 has 16 divisors (see below), whose sum is σ = 20450722320. Its totient is φ = 4505084832.

The previous prime is 11312112199. The next prime is 11312112269. The reversal of 11312112230 is 3221121311.

It is a junction number, because it is equal to n+sod(n) for n = 11312112199 and 11312112208.

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, 2467604 + ... + 2472183.

It is an arithmetic number, because the mean of its divisors is an integer number (1278170145).

Almost surely, 211312112230 is an apocalyptic number.

11312112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312112230 is a deficient number, since it is larger than the sum of its proper divisors (9138610090).

11312112230 is a wasteful number, since it uses less digits than its factorization.

11312112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940023.

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

Adding to 11312112230 its reverse (3221121311), we get a palindrome (14533233541).

The spelling of 11312112230 in words is "eleven billion, three hundred twelve million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 229 458 1145 2290 4939787 9879574 24698935 49397870 1131211223 2262422446 5656056115 11312112230