Base | Representation |
---|---|
bin | 1111100000110… |
… | …00010100000011 |
3 | 100001211221012210 |
4 | 13300120110003 |
5 | 231302414021 |
6 | 20524553203 |
7 | 3140012244 |
oct | 760302403 |
9 | 301757183 |
10 | 130123011 |
11 | 674a6387 |
12 | 376b2803 |
13 | 20c5c785 |
14 | 133d2ccb |
15 | b654e76 |
hex | 7c18503 |
130123011 has 16 divisors (see below), whose sum is σ = 177198624. Its totient is φ = 84916224.
The previous prime is 130123009. The next prime is 130123061. The reversal of 130123011 is 110321031.
It is not a de Polignac number, because 130123011 - 21 = 130123009 is a prime.
It is a super-2 number, since 2×1301230112 = 33863995983412242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130123061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27835 + ... + 32171.
It is an arithmetic number, because the mean of its divisors is an integer number (11074914).
Almost surely, 2130123011 is an apocalyptic number.
130123011 is a deficient number, since it is larger than the sum of its proper divisors (47075613).
130123011 is a wasteful number, since it uses less digits than its factorization.
130123011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4550.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 130123011 is about 11407.1473647008. The cubic root of 130123011 is about 506.7394332720.
Adding to 130123011 its reverse (110321031), we get a palindrome (240444042).
The spelling of 130123011 in words is "one hundred thirty million, one hundred twenty-three thousand, eleven".
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