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12110231310 = 2352231810199
BaseRepresentation
bin10110100011101001…
…10111011100001110
31011020222112111021120
423101310313130032
5144300204400220
65321404141410
7606050160552
oct132164673416
934228474246
1012110231310
115154a01031
12241b837866
1311acc4b258
1482c513862
154ad296a40
hex2d1d3770e

12110231310 has 32 divisors (see below), whose sum is σ = 29194905600. Its totient is φ = 3214911648.

The previous prime is 12110231297. The next prime is 12110231311. The reversal of 12110231310 is 1313201121.

It is a happy number.

It is a super-2 number, since 2×121102313102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12110231310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110231311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898410 + ... + 911789.

It is an arithmetic number, because the mean of its divisors is an integer number (912340800).

Almost surely, 212110231310 is an apocalyptic number.

12110231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12110231310 is an abundant number, since it is smaller than the sum of its proper divisors (17084674290).

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

12110231310 is a wasteful number, since it uses less digits than its factorization.

12110231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810432.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12110231310 its reverse (1313201121), we get a palindrome (13423432431).

The spelling of 12110231310 in words is "twelve billion, one hundred ten million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 223 446 669 1115 1338 2230 3345 6690 1810199 3620398 5430597 9050995 10861194 18101990 27152985 54305970 403674377 807348754 1211023131 2018371885 2422046262 4036743770 6055115655 12110231310