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12144053812 = 2211808734129
BaseRepresentation
bin10110100111101011…
…11000111000110100
31011100100011212000211
423103311320320310
5144332334210222
65325013115204
7606640516462
oct132365707064
934310155024
1012144053812
115172002410
12242b028b04
1311b6c61077
14832bd9832
154b1228277
hex2d3d78e34

12144053812 has 24 divisors (see below), whose sum is σ = 23187648960. Its totient is φ = 5519180160.

The previous prime is 12144053809. The next prime is 12144053849. The reversal of 12144053812 is 21835044121.

It is a congruent number.

It is an unprimeable number.

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, 338764 + ... + 372892.

It is an arithmetic number, because the mean of its divisors is an integer number (966152040).

Almost surely, 212144053812 is an apocalyptic number.

It is an amenable number.

12144053812 is a deficient number, since it is larger than the sum of its proper divisors (11043595148).

12144053812 is a wasteful number, since it uses less digits than its factorization.

12144053812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42231 (or 42229 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 12144053812 its reverse (21835044121), we get a palindrome (33979097933).

The spelling of 12144053812 in words is "twelve billion, one hundred forty-four million, fifty-three thousand, eight hundred twelve".

Divisors: 1 2 4 11 22 44 8087 16174 32348 34129 68258 88957 136516 177914 355828 375419 750838 1501676 276001223 552002446 1104004892 3036013453 6072026906 12144053812