Base | Representation |
---|---|
bin | 111110100101110… |
… | …1000001100111001 |
3 | 12102100220020010102 |
4 | 1331023220030321 |
5 | 13300122401444 |
6 | 544222325145 |
7 | 103021256540 |
oct | 17513501471 |
9 | 5370806112 |
10 | 2100200249 |
11 | 988565594 |
12 | 4a74297b5 |
13 | 27615b054 |
14 | 15ccdd157 |
15 | c45a684e |
hex | 7d2e8339 |
2100200249 has 8 divisors (see below), whose sum is σ = 2404542528. Its totient is φ = 1796936400.
The previous prime is 2100200243. The next prime is 2100200257. The reversal of 2100200249 is 9420020012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2100200249 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2100200249.
It is not an unprimeable number, because it can be changed into a prime (2100200243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265427 + ... + 273224.
It is an arithmetic number, because the mean of its divisors is an integer number (300567816).
Almost surely, 22100200249 is an apocalyptic number.
It is an amenable number.
2100200249 is a deficient number, since it is larger than the sum of its proper divisors (304342279).
2100200249 is an equidigital number, since it uses as much as digits as its factorization.
2100200249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539215.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 2100200249 is about 45827.9417931899. The cubic root of 2100200249 is about 1280.6198676140.
The spelling of 2100200249 in words is "two billion, one hundred million, two hundred thousand, two hundred forty-nine".
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