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130143443 is a prime number
BaseRepresentation
bin1111100000111…
…01010011010011
3100001212222020112
413300131103103
5231304042233
620525231535
73140125643
oct760352323
9301788215
10130143443
116750a771
12377025ab
1320c68b71
14133da523
15b65b048
hex7c1d4d3

130143443 has 2 divisors, whose sum is σ = 130143444. Its totient is φ = 130143442.

The previous prime is 130143421. The next prime is 130143457. The reversal of 130143443 is 344341031.

It is a strong prime.

It is an emirp because it is prime and its reverse (344341031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130143443 - 26 = 130143379 is a prime.

It is not a weakly prime, because it can be changed into another prime (130143463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65071721 + 65071722.

It is an arithmetic number, because the mean of its divisors is an integer number (65071722).

Almost surely, 2130143443 is an apocalyptic number.

130143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

130143443 is an equidigital number, since it uses as much as digits as its factorization.

130143443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 130143443 is about 11408.0429084046. The cubic root of 130143443 is about 506.7659547359.

Adding to 130143443 its reverse (344341031), we get a palindrome (474484474).

It can be divided in two parts, 1301 and 43443, that added together give a palindrome (44744).

The spelling of 130143443 in words is "one hundred thirty million, one hundred forty-three thousand, four hundred forty-three".