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12636615106 = 237170765069
BaseRepresentation
bin10111100010011001…
…10111000111000010
31012121200000120002201
423301030313013002
5201334433140411
65445530303414
7625101312313
oct136114670702
935550016081
1012636615106
1153a5048a65
122547b87b6a
13126501035b
1487c3b660a
154de5c23c1
hex2f13371c2

12636615106 has 8 divisors (see below), whose sum is σ = 19467217980. Its totient is φ = 6147542448.

The previous prime is 12636615077. The next prime is 12636615107. The reversal of 12636615106 is 60151663621.

12636615106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12131039881 + 505575225 = 110141^2 + 22485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (12636615107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85382461 + ... + 85382608.

Almost surely, 212636615106 is an apocalyptic number.

12636615106 is a deficient number, since it is larger than the sum of its proper divisors (6830602874).

12636615106 is a wasteful number, since it uses less digits than its factorization.

12636615106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170765108.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 12636615106 in words is "twelve billion, six hundred thirty-six million, six hundred fifteen thousand, one hundred six".

Divisors: 1 2 37 74 170765069 341530138 6318307553 12636615106