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13012806806342 = 2741791231233117
BaseRepresentation
bin1011110101011100011110…
…1110100010101101000110
31201002000022212202200212022
42331113013232202231012
53201200212020300332
643402000110523142
72512100324560250
oct275270756425506
951060285680768
1013012806806342
114167778220972
121561b768064b2
13735144016b35
1432db74c60cd0
1517875db76212
hexbd5c7ba2b46

13012806806342 has 64 divisors (see below), whose sum is σ = 23159918960640. Its totient is φ = 5367635769600.

The previous prime is 13012806806309. The next prime is 13012806806347. The reversal of 13012806806342 is 24360860821031.

It is a junction number, because it is equal to n+sod(n) for n = 13012806806293 and 13012806806302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012806806347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55704368 + ... + 55937484.

It is an arithmetic number, because the mean of its divisors is an integer number (361873733760).

Almost surely, 213012806806342 is an apocalyptic number.

13012806806342 is a deficient number, since it is larger than the sum of its proper divisors (10147112154298).

13012806806342 is a wasteful number, since it uses less digits than its factorization.

13012806806342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234477.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 13012806806342 in words is "thirteen trillion, twelve billion, eight hundred six million, eight hundred six thousand, three hundred forty-two".

Divisors: 1 2 7 14 41 79 82 158 287 553 574 1106 1231 2462 3239 6478 8617 17234 22673 45346 50471 97249 100942 194498 233117 353297 466234 680743 706594 1361486 1631819 3263638 3987209 7974418 9557797 18416243 19115594 27910463 36832486 55820926 66904579 128913701 133809158 257827402 286967027 573934054 755065963 1510131926 2008769189 4017538378 5285461741 10570923482 11765648107 22670395133 23531296214 45340790266 82359536749 158692765931 164719073498 317385531862 929486200453 1858972400906 6506403403171 13012806806342