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12112310 = 2572191301
BaseRepresentation
bin101110001101…
…000110110110
3211210100222002
4232031012312
511100043220
61111335302
7204644600
oct56150666
924710862
1012112310
116923181
124081532
132681162
141874170
1510e3c75
hexb8d1b6

12112310 has 48 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 3931200.

The previous prime is 12112297. The next prime is 12112319. The reversal of 12112310 is 1321121.

It is a super-2 number, since 2×121123102 = 293416107072200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112291 and 12112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8660 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (556605).

Almost surely, 212112310 is an apocalyptic number.

12112310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112310 is an abundant number, since it is smaller than the sum of its proper divisors (14604730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112310 is a wasteful number, since it uses less digits than its factorization.

12112310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12112310 is about 3480.2744144679. The cubic root of 12112310 is about 229.6548698923.

Adding to 12112310 its reverse (1321121), we get a palindrome (13433431).

The spelling of 12112310 in words is "twelve million, one hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1301 1330 1862 2602 4655 6505 9107 9310 13010 18214 24719 45535 49438 63749 91070 123595 127498 173033 247190 318745 346066 637490 865165 1211231 1730330 2422462 6056155 12112310