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12709727107 = 7112314311257
BaseRepresentation
bin10111101011000111…
…10000101110000011
31012210202121000220121
423311203300232003
5202012142231412
65501101321111
7626646616660
oct136543605603
935722530817
1012709727107
115432345100
122568566197
1312771cb4ac
14887da8a67
154e5c15107
hex2f58f0b83

12709727107 has 48 divisors (see below), whose sum is σ = 16865744896. Its totient is φ = 9360489600.

The previous prime is 12709727101. The next prime is 12709727117. The reversal of 12709727107 is 70172790721.

It is not a de Polignac number, because 12709727107 - 27 = 12709726979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (12709727101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123423 + ... + 1134679.

Almost surely, 212709727107 is an apocalyptic number.

12709727107 is a deficient number, since it is larger than the sum of its proper divisors (4156017789).

12709727107 is a wasteful number, since it uses less digits than its factorization.

12709727107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360 (or 11349 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 43.

The spelling of 12709727107 in words is "twelve billion, seven hundred nine million, seven hundred twenty-seven thousand, one hundred seven".

Divisors: 1 7 11 31 43 77 121 217 301 341 473 847 1333 2387 3311 3751 5203 9331 11257 14663 26257 36421 78799 102641 123827 161293 348967 484051 866789 1129051 1362097 2442769 3388357 3838637 5324561 9534679 15005581 26870459 37271927 42225007 58570171 105039067 165061391 295575049 409991197 1155429737 1815675301 12709727107