Base | Representation |
---|---|
bin | 111110101001011… |
… | …1011000000110111 |
3 | 12102111111100222112 |
4 | 1331102323000313 |
5 | 13301120043221 |
6 | 544331321235 |
7 | 103043442215 |
oct | 17522730067 |
9 | 5374440875 |
10 | 2102112311 |
11 | 989651102 |
12 | 4a7bb021b |
13 | 27667a450 |
14 | 15d279cb5 |
15 | c483315b |
hex | 7d4bb037 |
2102112311 has 8 divisors (see below), whose sum is σ = 2273288640. Its totient is φ = 1932289632.
The previous prime is 2102112289. The next prime is 2102112349. The reversal of 2102112311 is 1132112012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2102112311 - 222 = 2097918007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102112391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335180 + ... + 341393.
It is an arithmetic number, because the mean of its divisors is an integer number (284161080).
Almost surely, 22102112311 is an apocalyptic number.
2102112311 is a deficient number, since it is larger than the sum of its proper divisors (171176329).
2102112311 is a wasteful number, since it uses less digits than its factorization.
2102112311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 676825.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 2102112311 is about 45848.7983593900. The cubic root of 2102112311 is about 1281.0083832441.
Adding to 2102112311 its reverse (1132112012), we get a palindrome (3234224323).
The spelling of 2102112311 in words is "two billion, one hundred two million, one hundred twelve thousand, three hundred eleven".
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