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12112103030 = 251279537089
BaseRepresentation
bin10110100011111000…
…00000011001110110
31011021010001120210112
423101330000121312
5144301144244110
65321512223022
7606102114506
oct132174003166
934233046715
1012112103030
115155a6a305
12242039aa72
1311b0455191
1482c87da06
154ad516405
hex2d1f00676

12112103030 has 16 divisors (see below), whose sum is σ = 21973455360. Its totient is φ = 4806692352.

The previous prime is 12112103011. The next prime is 12112103051. The reversal of 12112103030 is 3030121121.

12112103030 = 550262 + 550272 + ... + 550292.

It is a junction number, because it is equal to n+sod(n) for n = 12112102996 and 12112103014.

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, 4767275 + ... + 4769814.

It is an arithmetic number, because the mean of its divisors is an integer number (1373340960).

Almost surely, 212112103030 is an apocalyptic number.

12112103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112103030 is a deficient number, since it is larger than the sum of its proper divisors (9861352330).

12112103030 is a wasteful number, since it uses less digits than its factorization.

12112103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537223.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12112103030 its reverse (3030121121), we get a palindrome (15142224151).

The spelling of 12112103030 in words is "twelve billion, one hundred twelve million, one hundred three thousand, thirty".

Divisors: 1 2 5 10 127 254 635 1270 9537089 19074178 47685445 95370890 1211210303 2422420606 6056051515 12112103030