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130303323 = 343151893
BaseRepresentation
bin1111100010001…
…00010101011011
3100002012002120000
413301010111123
5231324201243
620532504043
73141363033
oct761042533
9302162500
10130303323
11676098a7
123777b023
1320cc3877
141343c8c3
15b68d5d3
hex7c4455b

130303323 has 20 divisors (see below), whose sum is σ = 200933568. Its totient is φ = 84065040.

The previous prime is 130303319. The next prime is 130303337. The reversal of 130303323 is 323303031.

It is not a de Polignac number, because 130303323 - 22 = 130303319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130303296 and 130303305.

It is not an unprimeable number, because it can be changed into a prime (130303363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23436 + ... + 28457.

Almost surely, 2130303323 is an apocalyptic number.

130303323 is a deficient number, since it is larger than the sum of its proper divisors (70630245).

130303323 is an equidigital number, since it uses as much as digits as its factorization.

130303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51936 (or 51927 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 130303323 is about 11415.0480945110. The cubic root of 130303323 is about 506.9733888907.

Adding to 130303323 its reverse (323303031), we get a palindrome (453606354).

The spelling of 130303323 in words is "one hundred thirty million, three hundred three thousand, three hundred twenty-three".

Divisors: 1 3 9 27 31 81 93 279 837 2511 51893 155679 467037 1401111 1608683 4203333 4826049 14478147 43434441 130303323