Search a number
-
+
11485858942961 = 137982571106821
BaseRepresentation
bin1010011100100100001010…
…0010101100111111110001
31111200001000020222021002122
42213021002202230333301
53001141014342133321
640232310350524025
72263553202102314
oct247110242547761
944601006867078
1011485858942961
113729141a34a07
121356052b06615
1365415b975750
142b9cc068497b
1514db90ae48ab
hexa72428acff1

11485858942961 has 8 divisors (see below), whose sum is σ = 12369413225064. Its totient is φ = 10602308471040.

The previous prime is 11485858942937. The next prime is 11485858943011. The reversal of 11485858942961 is 16924985858411.

11485858942961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 263727439936 + 11222131503025 = 513544^2 + 3349945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-11485858942961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11485858942931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9823931 + ... + 10930751.

It is an arithmetic number, because the mean of its divisors is an integer number (1546176653133).

Almost surely, 211485858942961 is an apocalyptic number.

It is an amenable number.

11485858942961 is a deficient number, since it is larger than the sum of its proper divisors (883554282103).

11485858942961 is a wasteful number, since it uses less digits than its factorization.

11485858942961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905091.

The product of its digits is 199065600, while the sum is 71.

The spelling of 11485858942961 in words is "eleven trillion, four hundred eighty-five billion, eight hundred fifty-eight million, nine hundred forty-two thousand, nine hundred sixty-one".

Divisors: 1 13 798257 1106821 10377341 14388673 883527610997 11485858942961