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2054323105 = 5410864621
BaseRepresentation
bin111101001110010…
…0111101110100001
312022011120102111221
41322130213232201
513201401314410
6535503135041
7101623313122
oct17234475641
95264512457
102054323105
1196468039a
12493ba4481
132697b7403
14156b9a049
15c05434da
hex7a727ba1

2054323105 has 4 divisors (see below), whose sum is σ = 2465187732. Its totient is φ = 1643458480.

The previous prime is 2054323087. The next prime is 2054323121. The reversal of 2054323105 is 5013234502.

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 615486481 + 1438836624 = 24809^2 + 37932^2 .

It is not a de Polignac number, because 2054323105 - 211 = 2054321057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054323105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205432306 + ... + 205432315.

It is an arithmetic number, because the mean of its divisors is an integer number (616296933).

Almost surely, 22054323105 is an apocalyptic number.

It is an amenable number.

2054323105 is a deficient number, since it is larger than the sum of its proper divisors (410864627).

2054323105 is an equidigital number, since it uses as much as digits as its factorization.

2054323105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410864626.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2054323105 is about 45324.6412561644. The cubic root of 2054323105 is about 1271.2264394011.

Adding to 2054323105 its reverse (5013234502), we get a palindrome (7067557607).

The spelling of 2054323105 in words is "two billion, fifty-four million, three hundred twenty-three thousand, one hundred five".

Divisors: 1 5 410864621 2054323105