Base | Representation |
---|---|
bin | 111110101001101… |
… | …0001001011011111 |
3 | 12102111122222112012 |
4 | 1331103101023133 |
5 | 13301130444403 |
6 | 544333301435 |
7 | 103044301010 |
oct | 17523211337 |
9 | 5374588465 |
10 | 2102203103 |
11 | 989703340 |
12 | 4a803487b |
13 | 2766ac880 |
14 | 15d2a1007 |
15 | c484eed8 |
hex | 7d4d12df |
2102203103 has 32 divisors (see below), whose sum is σ = 2848581120. Its totient is φ = 1498124160.
The previous prime is 2102203091. The next prime is 2102203139. The reversal of 2102203103 is 3013022012.
It is a happy number.
It is not a de Polignac number, because 2102203103 - 26 = 2102203039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102203163) 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 31 ways as a sum of consecutive naturals, for example, 99476 + ... + 118742.
It is an arithmetic number, because the mean of its divisors is an integer number (89018160).
Almost surely, 22102203103 is an apocalyptic number.
2102203103 is a deficient number, since it is larger than the sum of its proper divisors (746378017).
2102203103 is a wasteful number, since it uses less digits than its factorization.
2102203103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19407.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 2102203103 is about 45849.7884727945. The cubic root of 2102203103 is about 1281.0268255887.
Adding to 2102203103 its reverse (3013022012), we get a palindrome (5115225115).
The spelling of 2102203103 in words is "two billion, one hundred two million, two hundred three thousand, one hundred three".
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