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12310342005 = 35131714924923
BaseRepresentation
bin10110111011100000…
…01110100101110101
31011202221002011112210
423131300032211311
5200202421421010
65353313204033
7614030115633
oct133560164565
934687064483
1012310342005
11524795a175
122476860619
131212543a50
1484ad24353
154c0b23b20
hex2ddc0e975

12310342005 has 64 divisors (see below), whose sum is σ = 22611052800. Its totient is φ = 5665468416.

The previous prime is 12310342001. The next prime is 12310342013. The reversal of 12310342005 is 50024301321.

It is not a de Polignac number, because 12310342005 - 22 = 12310342001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310342001) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 481474 + ... + 506396.

It is an arithmetic number, because the mean of its divisors is an integer number (353297700).

Almost surely, 212310342005 is an apocalyptic number.

12310342005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12310342005 is a deficient number, since it is larger than the sum of its proper divisors (10300710795).

12310342005 is a wasteful number, since it uses less digits than its factorization.

12310342005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 12310342005 its reverse (50024301321), we get a palindrome (62334643326).

The spelling of 12310342005 in words is "twelve billion, three hundred ten million, three hundred forty-two thousand, five".

Divisors: 1 3 5 13 15 17 39 51 65 85 149 195 221 255 447 663 745 1105 1937 2235 2533 3315 5811 7599 9685 12665 24923 29055 32929 37995 74769 98787 124615 164645 323999 373845 423691 493935 971997 1271073 1619995 2118455 3713527 4859985 5507983 6355365 11140581 16523949 18567635 27539915 48275851 55702905 63129959 82619745 144827553 189389877 241379255 315649795 724137765 820689467 946949385 2462068401 4103447335 12310342005