Search a number
-
+
12683558016 = 273517383
BaseRepresentation
bin10111100111111111…
…11011110010000000
31012201221100111200000
423303333323302000
5201433442324031
65454324400000
7626211315153
oct136377736200
935657314600
1012683558016
1154195a0958
12255b846000
13127196811c
14884715c9a
154e37963e6
hex2f3ffbc80

12683558016 has 384 divisors, whose sum is σ = 40699713600. Its totient is φ = 3931213824.

The previous prime is 12683558009. The next prime is 12683558051. The reversal of 12683558016 is 61085538621.

12683558016 is a `hidden beast` number, since 1 + 2 + 6 + 83 + 558 + 0 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-3 number, since 3×126835580163 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152813911 + ... + 152813993.

Almost surely, 212683558016 is an apocalyptic number.

12683558016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12683558016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20349856800).

12683558016 is an abundant number, since it is smaller than the sum of its proper divisors (28016155584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12683558016 is an frugal number, since it uses more digits than its factorization.

12683558016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 12683558016 in words is "twelve billion, six hundred eighty-three million, five hundred fifty-eight thousand, sixteen".