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12240354512306 = 2231634613541177
BaseRepresentation
bin1011001000011110110111…
…1110111000110110110010
31121100011111100111102020202
42302013231332320312302
53101021221223343211
642011050301235202
72402223252446624
oct262075576706662
947304440442222
1012240354512306
11399a118020418
121458319b62b02
136aa3503672bb
14304617390c14
151635ee05753b
hexb21edfb8db2

12240354512306 has 32 divisors (see below), whose sum is σ = 19318174178688. Its totient is φ = 5805545581440.

The previous prime is 12240354512303. The next prime is 12240354512317. The reversal of 12240354512306 is 60321545304221.

It is a self number, because there is not a number n which added to its sum of digits gives 12240354512306.

It is not an unprimeable number, because it can be changed into a prime (12240354512303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685990 + ... + 5227166.

It is an arithmetic number, because the mean of its divisors is an integer number (603692943084).

Almost surely, 212240354512306 is an apocalyptic number.

12240354512306 is a deficient number, since it is larger than the sum of its proper divisors (7077819666382).

12240354512306 is a wasteful number, since it uses less digits than its factorization.

12240354512306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541826.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 12240354512306 its reverse (60321545304221), we get a palindrome (72561899816527).

The spelling of 12240354512306 in words is "twelve trillion, two hundred forty billion, three hundred fifty-four million, five hundred twelve thousand, three hundred six".

Divisors: 1 2 23 46 163 326 461 922 3749 7498 10603 21206 75143 150286 1728289 3456578 3541177 7082354 81447071 162894142 577211851 1154423702 1632482597 3264965194 13275872573 26551745146 37547099731 75094199462 266094663311 532189326622 6120177256153 12240354512306