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12112103313 = 334431012633
BaseRepresentation
bin10110100011111000…
…00000011110010001
31011021010001121012000
423101330000132101
5144301144301223
65321512224213
7606102115362
oct132174003621
934233047160
1012112103313
115155a6a542
12242039b069
1311b045534b
1482c87db69
154ad516543
hex2d1f00791

12112103313 has 16 divisors (see below), whose sum is σ = 17984379840. Its totient is φ = 8056500192.

The previous prime is 12112103293. The next prime is 12112103357. The reversal of 12112103313 is 31330121121.

12112103313 is a `hidden beast` number, since 121 + 1 + 210 + 331 + 3 = 666.

It is not a de Polignac number, because 12112103313 - 28 = 12112103057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112103363) 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, 494356 + ... + 518277.

It is an arithmetic number, because the mean of its divisors is an integer number (1124023740).

Almost surely, 212112103313 is an apocalyptic number.

It is an amenable number.

12112103313 is a deficient number, since it is larger than the sum of its proper divisors (5872276527).

12112103313 is a wasteful number, since it uses less digits than its factorization.

12112103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013085 (or 1013079 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12112103313 its reverse (31330121121), we get a palindrome (43442224434).

The spelling of 12112103313 in words is "twelve billion, one hundred twelve million, one hundred three thousand, three hundred thirteen".

Divisors: 1 3 9 27 443 1329 3987 11961 1012633 3037899 9113697 27341091 448596419 1345789257 4037367771 12112103313