Search a number
-
+
1041891439680 = 263457133114249
BaseRepresentation
bin11110010100101011001…
…00011011010001000000
310200121022012120001110000
433022111210123101000
5114032243202032210
62114345513240000
7135163020054150
oct17122544332100
93617265501400
101041891439680
11371955612623
12149b13403000
1377333175480
14385dbcd0760
151c17e319ac0
hexf29591b440

1041891439680 has 1120 divisors, whose sum is σ = 4708940544000. Its totient is φ = 212721500160.

The previous prime is 1041891439627. The next prime is 1041891439681. The reversal of 1041891439680 is 869341981401.

1041891439680 is a `hidden beast` number, since 1 + 0 + 41 + 8 + 91 + 439 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1041891439681) 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 159 ways as a sum of consecutive naturals, for example, 73113196 + ... + 73127444.

It is an arithmetic number, because the mean of its divisors is an integer number (4204411200).

Almost surely, 21041891439680 is an apocalyptic number.

1041891439680 is a gapful number since it is divisible by the number (10) 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 1041891439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2354470272000).

1041891439680 is an abundant number, since it is smaller than the sum of its proper divisors (3667049104320).

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

1041891439680 is a wasteful number, since it uses less digits than its factorization.

1041891439680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14329 (or 14310 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 1041891439680 in words is "one trillion, forty-one billion, eight hundred ninety-one million, four hundred thirty-nine thousand, six hundred eighty".