Search a number
-
+
12849170761476 = 2238722921092
BaseRepresentation
bin1011101011111010111001…
…0000100100011100000100
31200111100221210200100000000
42322332232100210130010
53141010100203331401
643154454430321300
72464215300256200
oct272765620443404
950440853610000
1012849170761476
114104336a10455
121536309359230
1372289668989a
14325c90497b00
15174382da7186
hexbafae424704

12849170761476 has 729 divisors, whose sum is σ = 41009614371999. Its totient is φ = 3512079575424.

The previous prime is 12849170761387. The next prime is 12849170761477. The reversal of 12849170761476 is 67416707194821.

The square root of 12849170761476 is 3584574.

It is a perfect power (a square), and thus also a powerful number.

12849170761476 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 9 + 1 + 7 + 0 + 7 + 614 + 7 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 650077763076 + 12199092998400 = 806274^2 + 3492720^2 .

It is a tau number, because it is divible by the number of its divisors (729).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12849170761477) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 117882300510 + ... + 117882300618.

Almost surely, 212849170761476 is an apocalyptic number.

12849170761476 is the 3584574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12849170761476

12849170761476 is an abundant number, since it is smaller than the sum of its proper divisors (28160443610523).

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

12849170761476 is an frugal number, since it uses more digits than its factorization.

12849170761476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 12849170761476 in words is "twelve trillion, eight hundred forty-nine billion, one hundred seventy million, seven hundred sixty-one thousand, four hundred seventy-six".