Search a number
-
+
12685897235 = 511230652677
BaseRepresentation
bin10111101000010001…
…10110111000010011
31012202002202100110202
423310020312320103
5201440042202420
65454450445415
7626240230064
oct136410667023
935662670422
1012685897235
11541a9493a0
12256059386b
1312722a6a8b
14884b6456b
154e3aa9575
hex2f4236e13

12685897235 has 8 divisors (see below), whose sum is σ = 16606992816. Its totient is φ = 9226107040.

The previous prime is 12685897187. The next prime is 12685897241. The reversal of 12685897235 is 53279858621.

It is a happy number.

12685897235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12685897235 - 210 = 12685896211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115326284 + ... + 115326393.

It is an arithmetic number, because the mean of its divisors is an integer number (2075874102).

Almost surely, 212685897235 is an apocalyptic number.

12685897235 is a deficient number, since it is larger than the sum of its proper divisors (3921095581).

12685897235 is a wasteful number, since it uses less digits than its factorization.

12685897235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230652693.

The product of its digits is 7257600, while the sum is 56.

The spelling of 12685897235 in words is "twelve billion, six hundred eighty-five million, eight hundred ninety-seven thousand, two hundred thirty-five".

Divisors: 1 5 11 55 230652677 1153263385 2537179447 12685897235