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12140671108 = 2217353505777
BaseRepresentation
bin10110100111010001…
…11111000010000100
31011100002210222211111
423103220333002010
5144331002433413
65324412414404
7606600000406
oct132350770204
934302728744
1012140671108
115170101995
122429a77404
1311b6348477
14832598b76
154b0caad3d
hex2d3a3f084

12140671108 has 24 divisors (see below), whose sum is σ = 22559721912. Its totient is φ = 5697060864.

The previous prime is 12140671087. The next prime is 12140671117. The reversal of 12140671108 is 80117604121.

It can be written as a sum of positive squares in 4 ways, for example, as 7014397504 + 5126273604 = 83752^2 + 71598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12140671108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228885 + ... + 276892.

It is an arithmetic number, because the mean of its divisors is an integer number (939988413).

Almost surely, 212140671108 is an apocalyptic number.

It is an amenable number.

12140671108 is a deficient number, since it is larger than the sum of its proper divisors (10419050804).

12140671108 is a wasteful number, since it uses less digits than its factorization.

12140671108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506151 (or 506149 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 12140671108 in words is "twelve billion, one hundred forty million, six hundred seventy-one thousand, one hundred eight".

Divisors: 1 2 4 17 34 68 353 706 1412 6001 12002 24004 505777 1011554 2023108 8598209 17196418 34392836 178539281 357078562 714157124 3035167777 6070335554 12140671108