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12386069215 = 5132961107719
BaseRepresentation
bin10111000100100010…
…00110101011011111
31011222012120111202021
423202101012223133
5200331313203330
65405020241011
7615636564652
oct134221065337
934865514667
1012386069215
115286682143
1224980a0167
131225139350
14856dd7899
154c75d167a
hex2e2446adf

12386069215 has 32 divisors (see below), whose sum is σ = 16830172800. Its totient is φ = 8686379520.

The previous prime is 12386069183. The next prime is 12386069221. The reversal of 12386069215 is 51296068321.

It is not a de Polignac number, because 12386069215 - 25 = 12386069183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61126 + ... + 168844.

It is an arithmetic number, because the mean of its divisors is an integer number (525942900).

Almost surely, 212386069215 is an apocalyptic number.

12386069215 is a deficient number, since it is larger than the sum of its proper divisors (4444103585).

12386069215 is a wasteful number, since it uses less digits than its factorization.

12386069215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107827.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12386069215 in words is "twelve billion, three hundred eighty-six million, sixty-nine thousand, two hundred fifteen".

Divisors: 1 5 13 29 61 65 145 305 377 793 1769 1885 3965 8845 22997 107719 114985 538595 1400347 3123851 6570859 7001735 15619255 32854295 40610063 85421167 190554911 203050315 427105835 952774555 2477213843 12386069215