Base | Representation |
---|---|
bin | 111110111110100… |
… | …1110110000001011 |
3 | 12110021100211211121 |
4 | 1331331032300023 |
5 | 13311440000321 |
6 | 545405140111 |
7 | 103236634210 |
oct | 17575166013 |
9 | 5407324747 |
10 | 2113203211 |
11 | 994936939 |
12 | 4ab85a637 |
13 | 278a61702 |
14 | 160925b07 |
15 | c57c4441 |
hex | 7df4ec0b |
2113203211 has 8 divisors (see below), whose sum is σ = 2421300960. Its totient is φ = 1806658368.
The previous prime is 2113203203. The next prime is 2113203221. The reversal of 2113203211 is 1123023112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2113203211 - 23 = 2113203203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2113203221) 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 7 ways as a sum of consecutive naturals, for example, 385306 + ... + 390751.
It is an arithmetic number, because the mean of its divisors is an integer number (302662620).
Almost surely, 22113203211 is an apocalyptic number.
2113203211 is a deficient number, since it is larger than the sum of its proper divisors (308097749).
2113203211 is an equidigital number, since it uses as much as digits as its factorization.
2113203211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776453.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2113203211 is about 45969.5900677829. The cubic root of 2113203211 is about 1283.2573309837.
Adding to 2113203211 its reverse (1123023112), we get a palindrome (3236226323).
The spelling of 2113203211 in words is "two billion, one hundred thirteen million, two hundred three thousand, two hundred eleven".
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