Base | Representation |
---|---|
bin | 111110100111101… |
… | …1100100101010110 |
3 | 12102102210002020002 |
4 | 1331033130211112 |
5 | 13300401414423 |
6 | 544300011302 |
7 | 103032626063 |
oct | 17517344526 |
9 | 5372702202 |
10 | 2101201238 |
11 | 989089654 |
12 | 4a7830b32 |
13 | 27641b856 |
14 | 15d0bdc6a |
15 | c4703228 |
hex | 7d3dc956 |
2101201238 has 8 divisors (see below), whose sum is σ = 3152612232. Its totient is φ = 1050330496.
The previous prime is 2101201237. The next prime is 2101201283. The reversal of 2101201238 is 8321021012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101201237) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 125195 + ... + 140982.
It is an arithmetic number, because the mean of its divisors is an integer number (394076529).
Almost surely, 22101201238 is an apocalyptic number.
2101201238 is a deficient number, since it is larger than the sum of its proper divisors (1051410994).
2101201238 is a wasteful number, since it uses less digits than its factorization.
2101201238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270126.
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 2101201238 is about 45838.8616568955. The cubic root of 2101201238 is about 1280.8232899304.
The spelling of 2101201238 in words is "two billion, one hundred one million, two hundred one thousand, two hundred thirty-eight".
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