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2055706061 = 7328160357
BaseRepresentation
bin111101010000111…
…1001010111001101
312022021011200120112
41322201321113031
513202230043221
6535552525405
7101641133063
oct17241712715
95267150515
102055706061
11965435432
12494550865
13269b7ca26
1415703a033
15c071815b
hex7a8795cd

2055706061 has 4 divisors (see below), whose sum is σ = 2083866492. Its totient is φ = 2027545632.

The previous prime is 2055706027. The next prime is 2055706067. The reversal of 2055706061 is 1606075502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 589275625 + 1466430436 = 24275^2 + 38294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055706061 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 (2055706067) 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, 14080106 + ... + 14080251.

It is an arithmetic number, because the mean of its divisors is an integer number (520966623).

Almost surely, 22055706061 is an apocalyptic number.

It is an amenable number.

2055706061 is a deficient number, since it is larger than the sum of its proper divisors (28160431).

2055706061 is an equidigital number, since it uses as much as digits as its factorization.

2055706061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160430.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2055706061 is about 45339.8948057889. The cubic root of 2055706061 is about 1271.5116356737.

The spelling of 2055706061 in words is "two billion, fifty-five million, seven hundred six thousand, sixty-one".

Divisors: 1 73 28160357 2055706061