Base | Representation |
---|---|
bin | 111110100101110… |
… | …1000101010001010 |
3 | 12102100220022200210 |
4 | 1331023220222022 |
5 | 13300122431442 |
6 | 544222341550 |
7 | 103021265154 |
oct | 17513505212 |
9 | 5370808623 |
10 | 2100202122 |
11 | 988566a37 |
12 | 4a742a8b6 |
13 | 27615bb65 |
14 | 15ccddad4 |
15 | c45a719c |
hex | 7d2e8a8a |
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".
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