Base | Representation |
---|---|
bin | 10111111100100… |
… | …00101110011011 |
3 | 111222222021221200 |
4 | 23332100232123 |
5 | 402410331221 |
6 | 31533205243 |
7 | 4656242121 |
oct | 1376205633 |
9 | 458867850 |
10 | 200870811 |
11 | a3428239 |
12 | 57330823 |
13 | 3280078b |
14 | 1c96b911 |
15 | 1297c426 |
hex | bf90b9b |
200870811 has 12 divisors (see below), whose sum is σ = 290607720. Its totient is φ = 133701120.
The previous prime is 200870807. The next prime is 200870837. The reversal of 200870811 is 118078002.
It is not a de Polignac number, because 200870811 - 22 = 200870807 is a prime.
It is not an unprimeable number, because it can be changed into a prime (200870311) 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 11 ways as a sum of consecutive naturals, for example, 11641 + ... + 23178.
It is an arithmetic number, because the mean of its divisors is an integer number (24217310).
Almost surely, 2200870811 is an apocalyptic number.
200870811 is a deficient number, since it is larger than the sum of its proper divisors (89736909).
200870811 is a wasteful number, since it uses less digits than its factorization.
200870811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35466 (or 35463 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 27.
The square root of 200870811 is about 14172.8900016898. The cubic root of 200870811 is about 585.6510743744.
The spelling of 200870811 in words is "two hundred million, eight hundred seventy thousand, eight hundred eleven".
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