Base | Representation |
---|---|
bin | 111110100101110… |
… | …1000101001111110 |
3 | 12102100220022200100 |
4 | 1331023220221332 |
5 | 13300122431420 |
6 | 544222341530 |
7 | 103021265136 |
oct | 17513505176 |
9 | 5370808610 |
10 | 2100202110 |
11 | 988566a26 |
12 | 4a742a8a6 |
13 | 27615bb56 |
14 | 15ccddac6 |
15 | c45a7190 |
hex | 7d2e8a7e |
2100202110 has 48 divisors (see below), whose sum is σ = 5471852256. Its totient is φ = 558892224.
The previous prime is 2100202057. The next prime is 2100202141. The reversal of 2100202110 is 112020012.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2100202092 and 2100202101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19872 + ... + 67788.
It is an arithmetic number, because the mean of its divisors is an integer number (113996922).
Almost surely, 22100202110 is an apocalyptic number.
2100202110 is an abundant number, since it is smaller than the sum of its proper divisors (3371650146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100202110 is a wasteful number, since it uses less digits than its factorization.
2100202110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48417 (or 48414 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2100202110 is about 45827.9620973920. The cubic root of 2100202110 is about 1280.6202458688.
Adding to 2100202110 its reverse (112020012), we get a palindrome (2212222122).
The spelling of 2100202110 in words is "two billion, one hundred million, two hundred two thousand, one hundred ten".
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