Base | Representation |
---|---|
bin | 111110101001101… |
… | …1111000110000111 |
3 | 12102111202212201022 |
4 | 1331103133012013 |
5 | 13301134310403 |
6 | 544334421355 |
7 | 103044626126 |
oct | 17523370607 |
9 | 5374685638 |
10 | 2102260103 |
11 | 989742149 |
12 | 4a806185b |
13 | 2766cc7b8 |
14 | 15d2b7abd |
15 | c4861d38 |
hex | 7d4df187 |
2102260103 has 4 divisors (see below), whose sum is σ = 2225922480. Its totient is φ = 1978597728.
The previous prime is 2102260091. The next prime is 2102260129. The reversal of 2102260103 is 3010622012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2102260103 - 214 = 2102243719 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 123662359 = 2102260103 / (2 + 1 + 0 + 2 + 2 + 6 + 0 + 1 + 0 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102260163) 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, 61831163 + ... + 61831196.
It is an arithmetic number, because the mean of its divisors is an integer number (556480620).
Almost surely, 22102260103 is an apocalyptic number.
2102260103 is a deficient number, since it is larger than the sum of its proper divisors (123662377).
2102260103 is a wasteful number, since it uses less digits than its factorization.
2102260103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123662376.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2102260103 is about 45850.4100635970. The cubic root of 2102260103 is about 1281.0384035802.
Adding to 2102260103 its reverse (3010622012), we get a palindrome (5112882115).
The spelling of 2102260103 in words is "two billion, one hundred two million, two hundred sixty thousand, one hundred three".
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