Base | Representation |
---|---|
bin | 111110101001101… |
… | …0000111011110111 |
3 | 12102111122221011011 |
4 | 1331103100323313 |
5 | 13301130431403 |
6 | 544333253051 |
7 | 103044265051 |
oct | 17523207367 |
9 | 5374587134 |
10 | 2102202103 |
11 | 989702611 |
12 | 4a8034187 |
13 | 2766ac291 |
14 | 15d2a08d1 |
15 | c484ea6d |
hex | 7d4d0ef7 |
2102202103 has 4 divisors (see below), whose sum is σ = 2151090568. Its totient is φ = 2053313640.
The previous prime is 2102202077. The next prime is 2102202131. The reversal of 2102202103 is 3012022012.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2102202103 - 25 = 2102202071 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 (2102202203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24444168 + ... + 24444253.
It is an arithmetic number, because the mean of its divisors is an integer number (537772642).
Almost surely, 22102202103 is an apocalyptic number.
2102202103 is a deficient number, since it is larger than the sum of its proper divisors (48888465).
2102202103 is an equidigital number, since it uses as much as digits as its factorization.
2102202103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48888464.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 2102202103 is about 45849.7775676175. Note that the first 3 decimals coincide. The cubic root of 2102202103 is about 1281.0266224642.
Adding to 2102202103 its reverse (3012022012), we get a palindrome (5114224115).
The spelling of 2102202103 in words is "two billion, one hundred two million, two hundred two thousand, one hundred three".
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