Base | Representation |
---|---|
bin | 111110100101110… |
… | …1000001100001000 |
3 | 12102100220020001121 |
4 | 1331023220030020 |
5 | 13300122401300 |
6 | 544222325024 |
7 | 103021256440 |
oct | 17513501410 |
9 | 5370806047 |
10 | 2100200200 |
11 | 98856554a |
12 | 4a7429774 |
13 | 27615b017 |
14 | 15ccdd120 |
15 | c45a681a |
hex | 7d2e8308 |
2100200200 has 48 divisors (see below), whose sum is σ = 5580535680. Its totient is φ = 720068160.
The previous prime is 2100200197. The next prime is 2100200231. The reversal of 2100200200 is 20020012.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 748672 + ... + 751471.
It is an arithmetic number, because the mean of its divisors is an integer number (116261160).
Almost surely, 22100200200 is an apocalyptic number.
2100200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2100200200 is an abundant number, since it is smaller than the sum of its proper divisors (3480335480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100200200 is a wasteful number, since it uses less digits than its factorization.
2100200200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500166 (or 1500157 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 2100200200 is about 45827.9412585815. The cubic root of 2100200200 is about 1280.6198576545.
Adding to 2100200200 its reverse (20020012), we get a palindrome (2120220212).
The spelling of 2100200200 in words is "two billion, one hundred million, two hundred thousand, two hundred".
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