Base | Representation |
---|---|
bin | 1111100000110… |
… | …00001001010011 |
3 | 100001211220021022 |
4 | 13300120021103 |
5 | 231302403243 |
6 | 20524550055 |
7 | 3140010242 |
oct | 760301123 |
9 | 301756238 |
10 | 130122323 |
11 | 674a5911 |
12 | 376b232b |
13 | 20c5c376 |
14 | 133d2959 |
15 | b654b68 |
hex | 7c18253 |
130122323 has 4 divisors (see below), whose sum is σ = 130204608. Its totient is φ = 130040040.
The previous prime is 130122263. The next prime is 130122329. The reversal of 130122323 is 323221031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323221031 = 7 ⋅46174433.
It is a cyclic number.
It is not a de Polignac number, because 130122323 - 212 = 130118227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130122329) 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, 38723 + ... + 41948.
It is an arithmetic number, because the mean of its divisors is an integer number (32551152).
Almost surely, 2130122323 is an apocalyptic number.
130122323 is a deficient number, since it is larger than the sum of its proper divisors (82285).
130122323 is an equidigital number, since it uses as much as digits as its factorization.
130122323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82284.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 130122323 is about 11407.1172081293. The cubic root of 130122323 is about 506.7385401751.
Adding to 130122323 its reverse (323221031), we get a palindrome (453343354).
The spelling of 130122323 in words is "one hundred thirty million, one hundred twenty-two thousand, three hundred twenty-three".
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