Base | Representation |
---|---|
bin | 1111100000110… |
… | …00000101110111 |
3 | 100001211212222011 |
4 | 13300120011313 |
5 | 231302401403 |
6 | 20524545051 |
7 | 3140006506 |
oct | 760300567 |
9 | 301755864 |
10 | 130122103 |
11 | 674a5731 |
12 | 376b2187 |
13 | 20c5c237 |
14 | 133d283d |
15 | b654a6d |
hex | 7c18177 |
130122103 has 4 divisors (see below), whose sum is σ = 130508560. Its totient is φ = 129735648.
The previous prime is 130122079. The next prime is 130122121. The reversal of 130122103 is 301221031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301221031 = 2593 ⋅116167.
It is a cyclic number.
It is not a de Polignac number, because 130122103 - 29 = 130121591 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 (130122133) 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, 192723 + ... + 193396.
It is an arithmetic number, because the mean of its divisors is an integer number (32627140).
Almost surely, 2130122103 is an apocalyptic number.
130122103 is a deficient number, since it is larger than the sum of its proper divisors (386457).
130122103 is an equidigital number, since it uses as much as digits as its factorization.
130122103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386456.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 130122103 is about 11407.1075650228. The cubic root of 130122103 is about 506.7382545912.
Adding to 130122103 its reverse (301221031), we get a palindrome (431343134).
The spelling of 130122103 in words is "one hundred thirty million, one hundred twenty-two thousand, one hundred three".
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