Search a number
-
+
2100202122 = 23418537407
BaseRepresentation
bin111110100101110…
…1000101010001010
312102100220022200210
41331023220222022
513300122431442
6544222341550
7103021265154
oct17513505212
95370808623
102100202122
11988566a37
124a742a8b6
1327615bb65
1415ccddad4
15c45a719c
hex7d2e8a8a

2100202122 has 16 divisors (see below), whose sum is σ = 4302853632. Its totient is φ = 682992480.

The previous prime is 2100202057. The next prime is 2100202141. The reversal of 2100202122 is 2212020012.

It is a junction number, because it is equal to n+sod(n) for n = 2100202098 and 2100202107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4268458 + ... + 4268949.

It is an arithmetic number, because the mean of its divisors is an integer number (268928352).

Almost surely, 22100202122 is an apocalyptic number.

2100202122 is an abundant number, since it is smaller than the sum of its proper divisors (2202651510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100202122 is a wasteful number, since it uses less digits than its factorization.

2100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537453.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2100202122 is about 45827.9622283165. The cubic root of 2100202122 is about 1280.6202483079.

Adding to 2100202122 its reverse (2212020012), we get a palindrome (4312222134).

The spelling of 2100202122 in words is "two billion, one hundred million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 41 82 123 246 8537407 17074814 25612221 51224442 350033687 700067374 1050101061 2100202122