Search a number
-
+
2686441061 = 4091656671
BaseRepresentation
bin1010000000011111…
…1101011001100101
320221020000100100002
42200013331121211
521000212103221
61122323431045
7123400241453
oct24007753145
96836010302
102686441061
111159475a27
1262b825485
1333a749cc5
141b6b039d3
1510aca780b
hexa01fd665

2686441061 has 4 divisors (see below), whose sum is σ = 2687101824. Its totient is φ = 2685780300.

The previous prime is 2686441049. The next prime is 2686441063. The reversal of 2686441061 is 1601446862.

2686441061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2686441061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686441063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324245 + ... + 332426.

It is an arithmetic number, because the mean of its divisors is an integer number (671775456).

Almost surely, 22686441061 is an apocalyptic number.

It is an amenable number.

2686441061 is a deficient number, since it is larger than the sum of its proper divisors (660763).

2686441061 is an equidigital number, since it uses as much as digits as its factorization.

2686441061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660762.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2686441061 is about 51830.8890624114. The cubic root of 2686441061 is about 1390.1418106615.

The spelling of 2686441061 in words is "two billion, six hundred eighty-six million, four hundred forty-one thousand, sixty-one".

Divisors: 1 4091 656671 2686441061