Base | Representation |
---|---|
bin | 1111100001011… |
… | …10100010000111 |
3 | 100002000120001121 |
4 | 13300232202013 |
5 | 231313322043 |
6 | 20530534411 |
7 | 3140541502 |
oct | 760564207 |
9 | 302016047 |
10 | 130214023 |
11 | 675587a5 |
12 | 37737407 |
13 | 20c92024 |
14 | 13418139 |
15 | b671ded |
hex | 7c2e887 |
130214023 has 4 divisors (see below), whose sum is σ = 130698360. Its totient is φ = 129729688.
The previous prime is 130214009. The next prime is 130214027. The reversal of 130214023 is 320412031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320412031 = 2917 ⋅109843.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130214023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130213988 and 130214006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130214027) 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, 241765 + ... + 242302.
It is an arithmetic number, because the mean of its divisors is an integer number (32674590).
Almost surely, 2130214023 is an apocalyptic number.
130214023 is a deficient number, since it is larger than the sum of its proper divisors (484337).
130214023 is an equidigital number, since it uses as much as digits as its factorization.
130214023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 484336.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 130214023 is about 11411.1359206698. The cubic root of 130214023 is about 506.8575487400.
Adding to 130214023 its reverse (320412031), we get a palindrome (450626054).
The spelling of 130214023 in words is "one hundred thirty million, two hundred fourteen thousand, twenty-three".
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