Search a number
-
+
12448887705 = 3352272711499
BaseRepresentation
bin10111001100000001…
…01111001110011001
31012010120210000112000
423212000233032121
5200443403401310
65415142511213
7620331541152
oct134600571631
935116700460
1012448887705
115309088651
1224b5135509
131235162157
148614aa929
154ccd8e4c0
hex2e602f399

12448887705 has 64 divisors (see below), whose sum is σ = 22325760000. Its totient is φ = 6581373120.

The previous prime is 12448887637. The next prime is 12448887707. The reversal of 12448887705 is 50778884421.

12448887705 is a `hidden beast` number, since 12 + 4 + 488 + 87 + 70 + 5 = 666.

12448887705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12448887705 - 217 = 12448756633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12448887707) 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 63 ways as a sum of consecutive naturals, for example, 8304046 + ... + 8305544.

It is an arithmetic number, because the mean of its divisors is an integer number (348840000).

Almost surely, 212448887705 is an apocalyptic number.

12448887705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12448887705 is a deficient number, since it is larger than the sum of its proper divisors (9876872295).

12448887705 is a wasteful number, since it uses less digits than its factorization.

12448887705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 54.

The spelling of 12448887705 in words is "twelve billion, four hundred forty-eight million, eight hundred eighty-seven thousand, seven hundred five".

Divisors: 1 3 5 9 15 27 45 135 227 271 681 813 1135 1355 1499 2043 2439 3405 4065 4497 6129 7317 7495 10215 12195 13491 22485 30645 36585 40473 61517 67455 184551 202365 307585 340273 406229 553653 922755 1020819 1218687 1660959 1701365 2031145 2768265 3062457 3656061 5104095 6093435 8304795 9187371 10968183 15312285 18280305 45936855 54840915 92213983 276641949 461069915 829925847 1383209745 2489777541 4149629235 12448887705