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12142253705 = 53077910263
BaseRepresentation
bin10110100111011110…
…00001011010001001
31011100012210101202012
423103233001122021
5144331404104310
65324510345305
7606616311401
oct132357013211
934305711665
1012142253705
115170a92a1a
12242a4bb235
1311b678090a
1483288b801
154b0ebec05
hex2d3bc1689

12142253705 has 8 divisors (see below), whose sum is σ = 14618167872. Its totient is φ = 9682160688.

The previous prime is 12142253701. The next prime is 12142253729. The reversal of 12142253705 is 50735224121.

12142253705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12142253705 - 22 = 12142253701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142253701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953597 + ... + 3956666.

It is an arithmetic number, because the mean of its divisors is an integer number (1827270984).

Almost surely, 212142253705 is an apocalyptic number.

It is an amenable number.

12142253705 is a deficient number, since it is larger than the sum of its proper divisors (2475914167).

12142253705 is an equidigital number, since it uses as much as digits as its factorization.

12142253705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910575.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 12142253705 its reverse (50735224121), we get a palindrome (62877477826).

The spelling of 12142253705 in words is "twelve billion, one hundred forty-two million, two hundred fifty-three thousand, seven hundred five".

Divisors: 1 5 307 1535 7910263 39551315 2428450741 12142253705