Search a number
-
+
11243899082868 = 22317233179978521
BaseRepresentation
bin1010001110011110110010…
…0111000101100001110100
31110210220110122210211110220
42203213230213011201310
52433210001131122433
635525213111214340
72240226205162554
oct243475447054164
943726418724426
1011243899082868
1136455689a4891
1213171870773b0
136373ab5420ba
142ac2c99c9164
1514772daa42b3
hexa39ec9c5874

11243899082868 has 192 divisors, whose sum is σ = 30300677406720. Its totient is φ = 3223949414400.

The previous prime is 11243899082831. The next prime is 11243899082909. The reversal of 11243899082868 is 86828099834211.

11243899082868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112438990828682 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11001448 + ... + 11979968.

It is an arithmetic number, because the mean of its divisors is an integer number (157816028160).

Almost surely, 211243899082868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243899082868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15150338703360).

11243899082868 is an abundant number, since it is smaller than the sum of its proper divisors (19056778323852).

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

11243899082868 is a wasteful number, since it uses less digits than its factorization.

11243899082868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978678 (or 978676 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 69.

The spelling of 11243899082868 in words is "eleven trillion, two hundred forty-three billion, eight hundred ninety-nine million, eighty-two thousand, eight hundred sixty-eight".