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130430057 is a prime number
BaseRepresentation
bin1111100011000…
…11010001101001
3100002102112101212
413301203101221
5231342230212
620535322505
73142431362
oct761432151
9302375355
10130430057
116769603a
1237820435
1321039464
1413472b69
15b6b5e22
hex7c63469

130430057 has 2 divisors, whose sum is σ = 130430058. Its totient is φ = 130430056.

The previous prime is 130430021. The next prime is 130430077. The reversal of 130430057 is 750034031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109599961 + 20830096 = 10469^2 + 4564^2 .

It is an emirp because it is prime and its reverse (750034031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130430057 - 26 = 130429993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130430077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65215028 + 65215029.

It is an arithmetic number, because the mean of its divisors is an integer number (65215029).

Almost surely, 2130430057 is an apocalyptic number.

It is an amenable number.

130430057 is a deficient number, since it is larger than the sum of its proper divisors (1).

130430057 is an equidigital number, since it uses as much as digits as its factorization.

130430057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 130430057 is about 11420.5979265536. The cubic root of 130430057 is about 507.1376976870.

Adding to 130430057 its reverse (750034031), we get a palindrome (880464088).

The spelling of 130430057 in words is "one hundred thirty million, four hundred thirty thousand, fifty-seven".