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12142111313 = 89213763841
BaseRepresentation
bin10110100111011100…
…11110101001010001
31011100012112011102102
423103232132221101
5144331340030223
65324503330145
7606615146303
oct132356365121
934305464372
1012142111313
1151709a5a42
12242a450955
1311b6730b67
14832851973
154b0e92928
hex2d3b9ea51

12142111313 has 8 divisors (see below), whose sum is σ = 12284477640. Its totient is φ = 11999877120.

The previous prime is 12142111277. The next prime is 12142111339. The reversal of 12142111313 is 31311124121.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 12138971329 = 1772^2 + 110177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12142111313 - 214 = 12142094929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142111343) 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 7 ways as a sum of consecutive naturals, for example, 158273 + ... + 222113.

It is an arithmetic number, because the mean of its divisors is an integer number (1535559705).

Almost surely, 212142111313 is an apocalyptic number.

It is an amenable number.

12142111313 is a deficient number, since it is larger than the sum of its proper divisors (142366327).

12142111313 is an equidigital number, since it uses as much as digits as its factorization.

12142111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66067.

The product of its digits is 144, while the sum is 20.

Adding to 12142111313 its reverse (31311124121), we get a palindrome (43453235434).

The spelling of 12142111313 in words is "twelve billion, one hundred forty-two million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 89 2137 63841 190193 5681849 136428217 12142111313