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12143210411 = 83111461101
BaseRepresentation
bin10110100111100101…
…01010111110101011
31011100021121000002202
423103302222332223
5144332130213121
65324543050415
7606630404543
oct132362527653
934307530082
1012143210411
115171586792
12242a8a0a0b
1311b6a27207
14832a5a323
154b110d40b
hex2d3caafab

12143210411 has 4 divisors (see below), whose sum is σ = 12144679824. Its totient is φ = 12141741000.

The previous prime is 12143210399. The next prime is 12143210419. The reversal of 12143210411 is 11401234121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12143210411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12143210419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722240 + ... + 738861.

It is an arithmetic number, because the mean of its divisors is an integer number (3036169956).

Almost surely, 212143210411 is an apocalyptic number.

12143210411 is a deficient number, since it is larger than the sum of its proper divisors (1469413).

12143210411 is an equidigital number, since it uses as much as digits as its factorization.

12143210411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469412.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12143210411 its reverse (11401234121), we get a palindrome (23544444532).

The spelling of 12143210411 in words is "twelve billion, one hundred forty-three million, two hundred ten thousand, four hundred eleven".

Divisors: 1 8311 1461101 12143210411