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130011423 = 367646823
BaseRepresentation
bin1111011111111…
…01000100011111
3100001122021010220
413233331010133
5231240331143
620522332423
73136036023
oct757750437
9301567126
10130011423
116742a563
123765a113
1320c20a49
14133a4383
15b631d83
hex7bfd11f

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".

Divisors: 1 3 67 201 646823 1940469 43337141 130011423