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2022023105 = 5404404621
BaseRepresentation
bin111100010000101…
…1001111111000001
312012220210102020122
41320201121333001
513120114214410
6532350550025
7101051625044
oct17041317701
95186712218
102022023105
11948419983
12485208315
13262bb859b
1415278cc5b
15bc7b2e55
hex78859fc1

2022023105 has 4 divisors (see below), whose sum is σ = 2426427732. Its totient is φ = 1617618480.

The previous prime is 2022023089. The next prime is 2022023137. The reversal of 2022023105 is 5013202202.

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 1120642576 + 901380529 = 33476^2 + 30023^2 .

It is not a de Polignac number, because 2022023105 - 24 = 2022023089 is a prime.

It is a Duffinian number.

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, 202202306 + ... + 202202315.

It is an arithmetic number, because the mean of its divisors is an integer number (606606933).

Almost surely, 22022023105 is an apocalyptic number.

It is an amenable number.

2022023105 is a deficient number, since it is larger than the sum of its proper divisors (404404627).

2022023105 is an equidigital number, since it uses as much as digits as its factorization.

2022023105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404404626.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2022023105 is about 44966.9112236987. The cubic root of 2022023105 is about 1264.5287407064.

Adding to 2022023105 its reverse (5013202202), we get a palindrome (7035225307).

The spelling of 2022023105 in words is "two billion, twenty-two million, twenty-three thousand, one hundred five".

Divisors: 1 5 404404621 2022023105