Base | Representation |
---|---|
bin | 1111011111111… |
… | …01000100011111 |
3 | 100001122021010220 |
4 | 13233331010133 |
5 | 231240331143 |
6 | 20522332423 |
7 | 3136036023 |
oct | 757750437 |
9 | 301567126 |
10 | 130011423 |
11 | 6742a563 |
12 | 3765a113 |
13 | 20c20a49 |
14 | 133a4383 |
15 | b631d83 |
hex | 7bfd11f |
130011423 has 8 divisors (see below), whose sum is σ = 175936128. Its totient is φ = 85380504.
The previous prime is 130011419. The next prime is 130011439. The reversal of 130011423 is 324110031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130011423 - 22 = 130011419 is a prime.
It is a super-2 number, since 2×1300114232 = 33805940220969858, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130011443) 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 7 ways as a sum of consecutive naturals, for example, 323211 + ... + 323612.
It is an arithmetic number, because the mean of its divisors is an integer number (21992016).
Almost surely, 2130011423 is an apocalyptic number.
130011423 is a deficient number, since it is larger than the sum of its proper divisors (45924705).
130011423 is an equidigital number, since it uses as much as digits as its factorization.
130011423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 646893.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 130011423 is about 11402.2551716755. The cubic root of 130011423 is about 506.5945390651.
Adding to 130011423 its reverse (324110031), we get a palindrome (454121454).
The spelling of 130011423 in words is "one hundred thirty million, eleven thousand, four hundred twenty-three".
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