Search a number
-
+
12321822485 = 572313160681
BaseRepresentation
bin10110111100111000…
…00001011100010101
31011210201200102210202
423132130001130111
5200213341304420
65354403230245
7614226522500
oct133634013425
934721612722
1012321822485
115253390675
12247a678385
131214a3342b
1484c672137
154c1b40575
hex2de701715

12321822485 has 24 divisors (see below), whose sum is σ = 17255318616. Its totient is φ = 8422202880.

The previous prime is 12321822481. The next prime is 12321822517. The reversal of 12321822485 is 58422812321.

12321822485 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 4 ways, for example, as 61575409 + 12260247076 = 7847^2 + 110726^2 .

It is not a de Polignac number, because 12321822485 - 22 = 12321822481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321822481) 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 23 ways as a sum of consecutive naturals, for example, 3656 + ... + 157025.

It is an arithmetic number, because the mean of its divisors is an integer number (718971609).

Almost surely, 212321822485 is an apocalyptic number.

It is an amenable number.

12321822485 is a deficient number, since it is larger than the sum of its proper divisors (4933496131).

12321822485 is a wasteful number, since it uses less digits than its factorization.

12321822485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161013 (or 161006 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The spelling of 12321822485 in words is "twelve billion, three hundred twenty-one million, eight hundred twenty-two thousand, four hundred eighty-five".

Divisors: 1 5 7 35 49 245 313 1565 2191 10955 15337 76685 160681 803405 1124767 5623835 7873369 39366845 50293153 251465765 352052071 1760260355 2464364497 12321822485