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12685330108 = 22111551118587
BaseRepresentation
bin10111101000001101…
…01100011010111100
31012202001200112112001
423310012230122330
5201434421030413
65454430352044
7626232345463
oct136406543274
935661615461
1012685330108
11541a5a12a0
12256035b624
1312721388b9
14884a579da
154e39e64dd
hex2f41ac6bc

12685330108 has 24 divisors (see below), whose sum is σ = 24220312704. Its totient is φ = 5765377200.

The previous prime is 12685330081. The next prime is 12685330193. The reversal of 12685330108 is 80103358621.

It is a congruent number.

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, 673191 + ... + 691777.

It is an arithmetic number, because the mean of its divisors is an integer number (1009179696).

Almost surely, 212685330108 is an apocalyptic number.

It is an amenable number.

12685330108 is a deficient number, since it is larger than the sum of its proper divisors (11534982596).

12685330108 is a wasteful number, since it uses less digits than its factorization.

12685330108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34113 (or 34111 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 12685330108 its reverse (80103358621), we get a palindrome (92788688729).

The spelling of 12685330108 in words is "twelve billion, six hundred eighty-five million, three hundred thirty thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 15511 18587 31022 37174 62044 74348 170621 204457 341242 408914 682484 817828 288302957 576605914 1153211828 3171332527 6342665054 12685330108