Search a number
-
+
130011443 is a prime number
BaseRepresentation
bin1111011111111…
…01000100110011
3100001122021011122
413233331010303
5231240331233
620522332455
73136036052
oct757750463
9301567148
10130011443
116742a581
123765a12b
1320c20a63
14133a4399
15b631d98
hex7bfd133

130011443 has 2 divisors, whose sum is σ = 130011444. Its totient is φ = 130011442.

The previous prime is 130011439. The next prime is 130011463. The reversal of 130011443 is 344110031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130011443 - 22 = 130011439 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130011463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65005721 + 65005722.

It is an arithmetic number, because the mean of its divisors is an integer number (65005722).

Almost surely, 2130011443 is an apocalyptic number.

130011443 is a deficient number, since it is larger than the sum of its proper divisors (1).

130011443 is an equidigital number, since it uses as much as digits as its factorization.

130011443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130011443 is about 11402.2560486949. The cubic root of 130011443 is about 506.5945650420.

Adding to 130011443 its reverse (344110031), we get a palindrome (474121474).

The spelling of 130011443 in words is "one hundred thirty million, eleven thousand, four hundred forty-three".