Search a number
-
+
12131244410 = 2541214313807
BaseRepresentation
bin10110100110001010…
…00001100101111010
31011022110002001211112
423103011001211322
5144321044310120
65323434400322
7606423606335
oct132305014572
934273061745
1012131244410
11516585352a
1224268900a2
1311b43c783c
1483122361c
154b0047bc5
hex2d314197a

12131244410 has 32 divisors (see below), whose sum is σ = 22380890112. Its totient is φ = 4731592320.

The previous prime is 12131244397. The next prime is 12131244439. The reversal of 12131244410 is 1444213121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871727 + ... + 885533.

It is an arithmetic number, because the mean of its divisors is an integer number (699402816).

Almost surely, 212131244410 is an apocalyptic number.

12131244410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131244410 is a deficient number, since it is larger than the sum of its proper divisors (10249645702).

12131244410 is a wasteful number, since it uses less digits than its factorization.

12131244410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12131244410 its reverse (1444213121), we get a palindrome (13575457531).

The spelling of 12131244410 in words is "twelve billion, one hundred thirty-one million, two hundred forty-four thousand, four hundred ten".

Divisors: 1 2 5 10 41 82 205 410 2143 4286 10715 13807 21430 27614 69035 87863 138070 175726 439315 566087 878630 1132174 2830435 5660870 29588401 59176802 147942005 295884010 1213124441 2426248882 6065622205 12131244410