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12243001143 = 315757145523
BaseRepresentation
bin10110110011011110…
…10101111100110111
31011121020100220020210
423121233111330313
5200033202014033
65342510000503
7612251535612
oct133157257467
934536326223
1012243001143
115212944a6a
1224581a6133
1312015c6699
14841dd5179
154b9c70d63
hex2d9bd5f37

12243001143 has 16 divisors (see below), whose sum is σ = 16457108096. Its totient is φ = 8095632480.

The previous prime is 12243001091. The next prime is 12243001153. The reversal of 12243001143 is 34110034221.

It is not a de Polignac number, because 12243001143 - 29 = 12243000631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243001153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246180 + ... + 291702.

It is an arithmetic number, because the mean of its divisors is an integer number (1028569256).

Almost surely, 212243001143 is an apocalyptic number.

12243001143 is a deficient number, since it is larger than the sum of its proper divisors (4214106953).

12243001143 is a wasteful number, since it uses less digits than its factorization.

12243001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46254.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12243001143 its reverse (34110034221), we get a palindrome (46353035364).

The spelling of 12243001143 in words is "twelve billion, two hundred forty-three million, one thousand, one hundred forty-three".

Divisors: 1 3 157 471 571 1713 45523 89647 136569 268941 7147111 21441333 25993633 77980899 4081000381 12243001143