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12144311302 = 223954746447
BaseRepresentation
bin10110100111101101…
…10111110000000110
31011100100122221020111
423103312313300012
5144332420430202
65325022423234
7606642641254
oct132366676006
934310587214
1012144311302
115172168912
12242b131b1a
1311b7021326
14832c655d4
154b12796d7
hex2d3db7c06

12144311302 has 16 divisors (see below), whose sum is σ = 18326522880. Its totient is φ = 6035564808.

The previous prime is 12144311269. The next prime is 12144311423. The reversal of 12144311302 is 20311344121.

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, 238243 + ... + 284689.

It is an arithmetic number, because the mean of its divisors is an integer number (1145407680).

Almost surely, 212144311302 is an apocalyptic number.

12144311302 is a deficient number, since it is larger than the sum of its proper divisors (6182211578).

12144311302 is a wasteful number, since it uses less digits than its factorization.

12144311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47235.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12144311302 its reverse (20311344121), we get a palindrome (32455655423).

The spelling of 12144311302 in words is "twelve billion, one hundred forty-four million, three hundred eleven thousand, three hundred two".

Divisors: 1 2 239 478 547 1094 46447 92894 130733 261466 11100833 22201666 25406509 50813018 6072155651 12144311302