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12689339799706 = 231846724172289
BaseRepresentation
bin1011100010100111011110…
…0101110101100010011010
31122221002101220112012212021
42320221313211311202122
53130400231442042311
642553222514205054
72446526445434623
oct270516745654232
948832356465767
1012689339799706
114052578563209
12150b34228378a
137107a44565ab
1431c24b1c6a4a
1517012b1aa171
hexb8a7797589a

12689339799706 has 16 divisors (see below), whose sum is σ = 19650331365120. Its totient is φ = 6139277706240.

The previous prime is 12689339799641. The next prime is 12689339799707. The reversal of 12689339799706 is 60799793398621.

It is a super-2 number, since 2×126893397997062 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12689339799707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11561191 + ... + 12611098.

It is an arithmetic number, because the mean of its divisors is an integer number (1228145710320).

Almost surely, 212689339799706 is an apocalyptic number.

12689339799706 is a deficient number, since it is larger than the sum of its proper divisors (6960991565414).

12689339799706 is a wasteful number, since it uses less digits than its factorization.

12689339799706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180789.

The product of its (nonzero) digits is 1666598976, while the sum is 79.

The spelling of 12689339799706 in words is "twelve trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, seven hundred six".

Divisors: 1 2 31 62 8467 16934 262477 524954 24172289 48344578 749340959 1498681918 204666770963 409333541926 6344669899853 12689339799706